archived/louis/epitech/mq/rathaxes: e1000_initialize

annotate e1000_initialize_reception.patch @ 80:0354cceee710

WIP on e1000, try to add the code to free the RX ring when shutting the interface down

author	Louis Opter <louis@lse.epitech.net>
date	Sun, 15 Apr 2012 02:53:38 +0200
parents	f07f6c6d6cd4
children

rev	line source
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	1 # HG changeset patch
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	2 # Parent d8fce7ee2b630bf8bd681fa4d66832b82c5e6de2
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	3 rathaxes: initialize reception on the e1000 sample:
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	4
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	5 - This is documented in details in the sections 14.4 and 3.2 of the
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	6 Intel Gigabit Controller Software Developer manual;
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	7 - "Address filtering" is set up, address filters just tell the hardware
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	8 which packets they should accept (unicast/multicast/vlan/promisc), we
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	9 simply configure the hardware to accept packet for its own mac
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	10 address (receive address);
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	11 - It involves setting up a ring of receive descriptors (their format is
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	12 documented in section 3.2.3) and an internal data structure to keep
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	13 track of the ring;
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	14 - Each descriptor of the ring correspond to an skbuff (skbuff are
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	15 allocated individually).
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	16
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	17 diff --git a/rathaxes/samples/e1000/e1000.blt b/rathaxes/samples/e1000/e1000.blt
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	18 --- a/rathaxes/samples/e1000/e1000.blt
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	19 +++ b/rathaxes/samples/e1000/e1000.blt
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	20 @@ -1,5 +1,81 @@
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	21 with e1000, Ethernet, Socket, PCI, LKM, Log
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	22 {
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	23 + template type e1000::RxDescriptor()
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	24 + {
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	25 + chunk LKM::includes()
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	26 + {
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	27 + typedef int ${e1000::RxDescriptor};
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	28 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	29 + #include <linux/types.h>
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	30 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	31 + static const ${e1000::RxDescriptor} force_rtx_e1000_rx_descriptor_decl;
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	32 + }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	33 +
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	34 + chunk ::decl()
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	35 + {
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	36 + typedef struct rtx_e1000_rx_descriptor
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	37 + {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	38 + /* actual types are in comments */
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	39 + unsigned long int /* __le64 */ buff_addr;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	40 + unsigned short /* __le16 */ length;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	41 + unsigned short /* __le16 */ csum;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	42 + unsigned char status;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	43 + unsigned char errors;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	44 + unsigned short /* __le16 */ special;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	45 + } *rtx_e1000_rx_descriptor_p;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	46 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	47 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	48 + chunk ::init()
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	49 + {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	50 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	51 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	52 + map
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	53 + {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	54 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	55 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	56 +
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	57 + /*
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	58 + * Ring of e1000::RxDescriptors and their corresponding skbuffs.
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	59 + *
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	60 + * - size: total size of the ring in bytes.
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	61 + * - base: address of the ring (we can't use the typedef here until we get
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	62 + * CNorm unstrict);
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	63 + * - dma_base: (physical) address of the ring where the device can access
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	64 + * the different descriptors;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	65 + * - skbuffs: array of the skbuffs associated with each descriptor;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	66 + * - dma_skbuffs: (physical) address of each skbuff where the device can
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	67 + * write the received packets;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	68 + */
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	69 + template type e1000::RxRing()
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	70 + {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	71 + chunk LKM::includes()
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	72 + {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	73 + typedef int ${e1000::RxRing};
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	74 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	75 + static const ${e1000::RxRing} force_rtx_e1000_rx_ring_decl;
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	76 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	77 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	78 + chunk ::decl()
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	79 + {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	80 + struct rtx_e1000_rx_ring
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	81 + {
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	82 + unsigned int size;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	83 + struct rtx_e1000_rx_descriptor *base;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	84 + void* /* dma_addr_t */ dma_base;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	85 + struct sk_buff skbuffs[256 / ${config.rx_ring_size} */];
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	86 + void* /* dma_addr_t / dma_skbuffs[256 / ${config.rx_ring_size} */];
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	87 + };
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	88 + }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	89 +
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	90 + chunk ::init()
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	91 + {
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	92 + }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	93 +
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	94 + map
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	95 + {
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	96 + }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	97 + }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	98 +
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	99 template type e1000::Context()
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	100 {
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	101 chunk LKM::includes()
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	102 @@ -21,9 +97,12 @@
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	103 */
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	104 typedef struct rtx_e1000_ctx
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	105 {
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	106 - int bars;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	107 - unsigned char /* __iomem / ioaddr;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	108 - int irq;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	109 + int bars;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	110 + unsigned char /* __iomem / ioaddr;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	111 + int irq;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	112 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	113 + /* we can't use the Rathaxes type here (#8) */
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	114 + struct rtx_e1000_rx_ring rx_ring;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	115 } *rtx_e1000_ctx_p;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	116 }
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	117
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	118 @@ -34,6 +113,7 @@
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	119 map
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	120 {
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	121 }
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	122 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	123 }
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	124
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	125 template type e1000::Register()
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	126 @@ -64,6 +144,9 @@
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	127 E1000_FCT = 0x00030, /* Flow Control Type */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	128 E1000_FCTTV = 0x00170, /* Flow Control Transmit Timer Value */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	129 E1000_CRCERRS = 0x04000, /* CRC Error Count (base address of the statistic register spaces) */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	130 + E1000_RAL = 0x05400, /* Receive Address Low */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	131 + E1000_RAH = 0x05404, /* Receive Address High */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	132 + E1000_MTA = 0x05200, /* Multicast Table Array */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	133 };
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	134 }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	135
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	136 @@ -132,7 +215,8 @@
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	137 E1000_INTR_RXDMT0 = 0x00000010, /* rx desc min. threshold (0) */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	138 E1000_INTR_RXO = 0x00000040, /* rx overrun */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	139 E1000_INTR_RXT0 = 0x00000080, /* rx timer intr (ring 0) */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	140 - E1000_INTR_MDAC = 0x00000200 /* MDIO access complete */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	141 + E1000_INTR_MDAC = 0x00000200, /* MDIO access complete */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	142 + E1000_RAH_AV = (1 << 31), /* Set the MAC Address as Valid */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	143 };
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	144 }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	145
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	146 @@ -457,15 +541,27 @@
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	147 {
78 501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	148 chunk ::CALL()
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	149 {
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	150 + typedef unsigned long int dma_addr_t;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	151 +
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	152 /*
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	153 - * This is documented in the Intel Gigabit Ethernet Controller
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	154 - * Software Developper manual.
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	155 + * This part is documented in the Intel Gigabit Ethernet Controller
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	156 + * Software Developper manual. (You can find it in the doc/hardware
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	157 + * directory).
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	158 *
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	159 * Since this part is actually completely device specific it should
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	160 * not be written here. (but in the front-end).
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	161 */
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	162
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	163 /*
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	164 + * shortcut hw_ctx... maybe we should directly take an
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	165 + * e1000::Context? (but we would need to make it point back to
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	166 + * the struct net_device)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	167 + */
78 501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	168 + typedef int ${e1000::Context};
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	169 + ${e1000::Context} hw_ctx;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	170 + hw_ctx = &${ctx}->hw_ctx;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	171 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	172 + /*
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	173 * "General Configuration" (section 14.3):
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	174 *
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	175 * - CTRL.ASDE/CTRL.SLU: Let the PHY handle the speed detection &
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	176 @@ -478,22 +574,181 @@
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	177 * - Finally, initialize all the statistic registers from
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	178 * E1000_CRCERRS to E1000_TSCTFC.
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	179 */
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	180 - rtx_e1000_register_set32(&${ctx}->hw_ctx, E1000_CTRL,
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	181 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	182 + rtx_e1000_register_set32(hw_ctx, E1000_CTRL,
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	183 E1000_CMD_ASDE \|
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	184 E1000_CMD_SLU);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	185 - rtx_e1000_register_unset32(&${ctx}->hw_ctx, E1000_CTRL,
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	186 + rtx_e1000_register_unset32(hw_ctx, E1000_CTRL,
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	187 E1000_CMD_LRST \|
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	188 E1000_CMD_FRCSPD \|
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	189 E1000_CMD_PHY_RST \|
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	190 E1000_CMD_ILOS \|
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	191 E1000_CMD_VME);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	192 - rtx_e1000_register_write32(&${ctx}->hw_ctx, E1000_FCAH, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	193 - rtx_e1000_register_write32(&${ctx}->hw_ctx, E1000_FCAL, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	194 - rtx_e1000_register_write32(&${ctx}->hw_ctx, E1000_FCT, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	195 - rtx_e1000_register_write32(&${ctx}->hw_ctx, E1000_FCTTV, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	196 + rtx_e1000_register_write32(hw_ctx, E1000_FCAH, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	197 + rtx_e1000_register_write32(hw_ctx, E1000_FCAL, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	198 + rtx_e1000_register_write32(hw_ctx, E1000_FCT, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	199 + rtx_e1000_register_write32(hw_ctx, E1000_FCTTV, 0);
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	200 + int i = 0; /* CNorm workaround, the init part of for isn't generated */
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	201 + for (i = 0; i != 64; ++i)
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	202 + rtx_e1000_register_write32(hw_ctx, E1000_CRCERRS + i * 4, 0);
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	203 +
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	204 + {
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	205 + ${Log::info("setup_device: general configuration done")};
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	206 + }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	207 +
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	208 + /*
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	209 + * Receive initialization:
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	210 + *
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	211 + * 1. Program the receive address, in RAL/RAH;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	212 + * 2. Initialize the Multicast Table Array;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	213 + * 3. Program the interrupt mask register (done in
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	214 + * e1000::activate_device_interruption);
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	215 + * 4. Allocate the receive descriptor ring and map it to make it
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	216 + * accessible by the device.
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	217 + *
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	218 + * The ugly casts in here are caused by the lack of CNorm unstrict.
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	219 + */
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	220 +
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	221 + /* 1. Program the receive address */
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	222 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	223 + /* (We should use uint{32,16}_t but CNorm doesn't know them yet) */
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	224 + rtx_e1000_register_write32(hw_ctx, E1000_RAL,
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	225 + (unsigned int )(${ctx}->net_dev->dev_addr));
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	226 + /*
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	227 + * The 16 upper bits of RAH also store the AS bits (which should be
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	228 + * 0) and the AV bit (should be 1 to set the address as valid).
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	229 + */
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	230 + rtx_e1000_register_write32(hw_ctx, E1000_RAH,
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	231 + (unsigned short )(&${ctx}->net_dev->dev_addr[4]));
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	232 + rtx_e1000_register_set32(hw_ctx, E1000_RAH, E1000_RAH_AV);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	233 +
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	234 + {
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	235 + ${Log::info("setup_device: program receieve address done")};
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	236 + }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	237 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	238 + /* 2. Initialize the MTA */
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	239 +
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	240 + i = 0; /* CNorm workaround, the init part of for isn't generated */
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	241 + for (i = 0; i != 128; ++i)
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	242 + rtx_e1000_register_write32(hw_ctx, E1000_MTA + i * 4, 0);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	243 +
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	244 + {
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	245 + ${Log::info("setup_device: MTA init done")};
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	246 + }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	247 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	248 + /* 4. Setup the receive descriptor ring */
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	249 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	250 + /* Allocate the descriptors */
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	251 + hw_ctx->rx_ring.size = ${config.rx_ring_size} * sizeof(*hw_ctx->rx_ring.base);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	252 + hw_ctx->rx_ring.size = ALIGN(hw_ctx->rx_ring.size, 4096);
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	253 + hw_ctx->rx_ring.base = dma_alloc_coherent(
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	254 + &${ctx}->pci_dev->dev,
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	255 + hw_ctx->rx_ring.size,
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	256 + (dma_addr_t *)&hw_ctx->rx_ring.dma_base,
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	257 + GFP_KERNEL);
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	258 + if (!hw_ctx->rx_ring.base)
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	259 + {
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	260 + ${Log::info("cannot allocate the descriptors for the rx ring")};
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	261 + goto err_rx_ring_alloc;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	262 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	263 +
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	264 + {
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	265 + ${Log::info("setup_device: descriptors allocated")};
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	266 + }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	267 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	268 + /*
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	269 + * Allocate the skbuffs, map them for DMA, and write their address
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	270 + * in the corresponding descriptor.
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	271 + */
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	272 + i = 0;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	273 + for (i = 0; i != ${config.rx_ring_size}; ++i)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	274 + {
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	275 + hw_ctx->rx_ring.skbuffs[i] = netdev_alloc_skb(
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	276 + ${ctx}->net_dev,
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	277 + ${config.rx_buffer_len});
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	278 + if (!hw_ctx->rx_ring.skbuffs[i])
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	279 + {
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	280 + ${Log::info("cannot allocate a skbuff for the rx ring")};
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	281 + goto err_skbuffs_alloc;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	282 + }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	283 + hw_ctx->rx_ring.dma_skbuffs[i] = (void *)dma_map_single(
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	284 + &${ctx}->pci_dev->dev,
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	285 + hw_ctx->rx_ring.skbuffs[i]->data,
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	286 + ${config.rx_buffer_len},
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	287 + DMA_FROM_DEVICE);
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	288 + /*
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	289 + * Either this fails because, when compiling with gcc because
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	290 + * the last argument is not of the correct type (dma_addr_t).
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	291 + * Or it fails because of the lack of CNorm Unstrict.
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	292 + */
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	293 + if (dma_mapping_error(&${ctx}->pci_dev->dev, (dma_addr_t)hw_ctx->rx_ring.dma_skbuffs[i]))
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	294 + {
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	295 + ${Log::info("cannot dma-map a skbuff for the rx ring")};
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	296 + goto err_skbuffs_map;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	297 + }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	298 + hw_ctx->rx_ring.base[i].buff_addr = (unsigned long int)cpu_to_le64(
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	299 + hw_ctx->rx_ring.dma_skbuffs[i]);
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	300 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	301 +
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	302 + {
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	303 + ${Log::info("setup_device: skbuffs allocated")};
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	304 + }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	305 +
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	306 + /*
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	307 + * XXX: We can't return here since we are not in a function but in
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	308 + * a chunk of code (injected in a function).
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	309 + */
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	310 + goto ok;
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	311 +
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	312 + /*
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	313 + * Likewise, always the same problem with error handling, we don't
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	314 + * know where we are at in the "parent context":
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	315 + */
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	316 + err_skbuffs_alloc:
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	317 + while (i--)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	318 + {
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	319 + dma_unmap_single(
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	320 + &${ctx}->pci_dev->dev,
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	321 + (dma_addr_t)hw_ctx->rx_ring.dma_skbuffs[i],
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	322 + ${config.rx_buffer_len},
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	323 + DMA_FROM_DEVICE);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	324 + err_skbuffs_map:
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	325 + dev_kfree_skb(hw_ctx->rx_ring.skbuffs[i]);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	326 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	327 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	328 + dma_free_coherent(&${ctx}->pci_dev->dev, hw_ctx->rx_ring.size,
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	329 + hw_ctx->rx_ring.base, (dma_addr_t)hw_ctx->rx_ring.dma_base);
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	330 + err_rx_ring_alloc:
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	331 + return -ENOMEM;
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	332 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	333 + ok:
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	334 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	335 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	336 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	337 + template sequence e1000::free_rx_tx(Ethernet::Device ctx)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	338 + {
78 501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	339 + chunk ::CALL()
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	340 + {
80 0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	341 + typedef unsigned long int dma_addr_t;
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	342 +
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	343 + typedef int ${e1000::Context};
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	344 + ${e1000::Context} hw_ctx;
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	345 + hw_ctx = &${ctx}->hw_ctx;
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	346 +
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	347 + /* Free the rx ring: */
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	348 int i = 0;
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	349 - for (i = 0; i != 64; ++i)
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	350 - rtx_e1000_register_write32(&${ctx}->hw_ctx, E1000_CRCERRS + i * 4, 0);
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	351 + for (i = 0; i != ${config.rx_ring_size}; ++i)
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	352 + {
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	353 + dma_unmap_single(
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	354 + &${ctx}->pci_dev->dev,
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	355 + (dma_addr_t)hw_ctx->rx_ring.dma_skbuffs[i],
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	356 + ${config.rx_buffer_len},
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	357 + DMA_FROM_DEVICE);
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	358 + dev_kfree_skb(hw_ctx->rx_ring.skbuffs[i]);
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	359 + }
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	360 + dma_free_coherent(&${ctx}->pci_dev->dev, hw_ctx->rx_ring.size,
0354cceee710 WIP on e1000, try to add the code to free the RX ring when shutting the interface down Louis Opter <louis@lse.epitech.net> parents: 79 diff changeset	361 + hw_ctx->rx_ring.base, (dma_addr_t)hw_ctx->rx_ring.dma_base);
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	362 +
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	363 }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	364 }
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	365
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	366 diff --git a/rathaxes/samples/e1000/e1000.rti b/rathaxes/samples/e1000/e1000.rti
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	367 --- a/rathaxes/samples/e1000/e1000.rti
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	368 +++ b/rathaxes/samples/e1000/e1000.rti
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	369 @@ -1,6 +1,9 @@
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	370 interface e1000 : Socket, Ethernet, PCI, LKM
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	371 {
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	372 provided type e1000::Context;
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	373 + provided type e1000::RxDescriptor;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	374 + provided type e1000::RxRing;
76 51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	375 +
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	376 /*
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	377 * These two types should actually be registers definitions in the frontend:
51bea596df7f Start a patch for the Rx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	378 */
78 501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	379 @@ -55,6 +58,11 @@
501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	380 provided chunk ::CALL();
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	381 }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	382
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	383 + provided sequence e1000::free_rx_tx(Ethernet::Device dev)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	384 + {
78 501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	385 + provided chunk ::CALL();
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	386 + }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	387 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	388 provided sequence e1000::handle_interrupt(Ethernet::Device)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	389 {
78 501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	390 provided chunk ::CALL();
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	391 diff --git a/rathaxes/samples/e1000/ethernet.blt b/rathaxes/samples/e1000/ethernet.blt
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	392 --- a/rathaxes/samples/e1000/ethernet.blt
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	393 +++ b/rathaxes/samples/e1000/ethernet.blt
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	394 @@ -64,7 +64,6 @@
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	395 static int rtx_ethernet_open(struct net_device *dev)
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	396 {
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	397 struct rtx_ethernet_dev* rtx_ether_dev = netdev_priv(dev);
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	398 - struct rtx_e1000_ctx* ctx = &rtx_ether_dev->hw_ctx;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	399
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	400 ${cast local.rtx_ether_dev as Ethernet::Device};
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	401 ${pointcut ::IMPLEMENTATION(local.rtx_ether_dev)};
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	402 @@ -105,8 +104,7 @@
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	403 {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	404 static int rtx_ethernet_close(struct net_device *dev)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	405 {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	406 - struct rtx_ethernet_dev* rtx_ether_dev = netdev_priv(dev);
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	407 - struct rtx_e1000_ctx* ctx = &rtx_ether_dev->hw_ctx;
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	408 + struct rtx_ethernet_dev* rtx_ether_dev = netdev_priv(dev);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	409
78 501bf9cf65dc wip on e1000 add some fixes for the generation and check that it works on tip Louis Opter <louis@lse.epitech.net> parents: 77 diff changeset	410 ${cast local.rtx_ether_dev as Ethernet::Device};
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	411 ${pointcut ::IMPLEMENTATION(local.rtx_ether_dev)};
77 892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	412 diff --git a/rathaxes/samples/e1000/lkm.rtx b/rathaxes/samples/e1000/lkm.rtx
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	413 --- a/rathaxes/samples/e1000/lkm.rtx
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	414 +++ b/rathaxes/samples/e1000/lkm.rtx
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	415 @@ -24,7 +24,17 @@
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	416 Ethernet::close(Ethernet::Device dev)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	417 {
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	418 Log::info("closing the device");
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	419 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	420 + /*
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	421 + * Note: some calls to release resources must be done when IRQs are
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	422 + * enabled (dma_free_coherent() for example). So we have to cleanup our
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	423 + * stuff before free_interrupt_handler().
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	424 + */
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	425 + e1000::free_rx_tx(dev);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	426 + Log::info("free'ed up skbuffs");
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	427 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	428 e1000::free_interrupt_handler(dev);
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	429 + Log::info("interrupt handler free'ed");
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	430 }
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	431
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	432 Ethernet::interrupt_handler(Ethernet::Device dev)
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	433 @@ -61,4 +71,11 @@
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	434 PCI::set_master = true;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	435
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	436 Ethernet::ifname = "rtx%d";
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	437 +
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	438 + e1000::rx_ring_size = 256; /* Number of incoming packets we can buffer */
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	439 + /*
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	440 + * The e1000 supports seven receive buffer sizes: 256, 512, 1024, 2048,
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	441 + * 4096, 8192 and 16384 bytes:
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	442 + */
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	443 + e1000::rx_buffer_len = 2048;
892b3bc7e43b Wip on the RX init in the e1000 sample Louis Opter <louis@lse.epitech.net> parents: 76 diff changeset	444 }
79 f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	445 diff --git a/rathaxes/samples/e1000/socket.blt b/rathaxes/samples/e1000/socket.blt
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	446 --- a/rathaxes/samples/e1000/socket.blt
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	447 +++ b/rathaxes/samples/e1000/socket.blt
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	448 @@ -4,7 +4,11 @@
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	449 {
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	450 chunk LKM::includes()
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	451 {
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	452 + typedef int ${Socket::SKBuff};
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	453 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	454 #include <linux/skbuff.h>
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	455 +
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	456 + static const ${Socket::SKBuff} force_rtx_lnux_skbuf_decl;
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	457 }
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	458
f07f6c6d6cd4 WIP on RX on e1000 Louis Opter <louis@lse.epitech.net> parents: 78 diff changeset	459 chunk ::decl()

Mercurial > archived > louis > epitech > mq > rathaxes

annotate e1000_initialize_reception.patch @ 80:0354cceee710