archived/louis/epitech/mq/rathaxes: e1000_initialize

annotate e1000_initialize_transmission.patch @ 83:27f0e70df342

Wip on the transmission, tx init done, and tx hooked from Ethernet send

author	Louis Opter <louis@lse.epitech.net>
date	Sun, 08 Jul 2012 10:00:25 +0200
parents	71f76c0f235f
children

rev	line source
81 78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	1 # HG changeset patch
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	2 # Parent e2e48ad161482555c5e87550e76cf15ef7fdbd3e
81 78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	3 rathaxes: initialize transmission on the e1000 sample:
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	4
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	5 - This is documented in details in the sections 14.5 and 3.3 of the
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	6 Intel Gigabit Controller Software Developer manual.
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	7
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	8 diff --git a/rathaxes/samples/e1000/e1000.blt b/rathaxes/samples/e1000/e1000.blt
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	9 --- a/rathaxes/samples/e1000/e1000.blt
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	10 +++ b/rathaxes/samples/e1000/e1000.blt
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	11 @@ -34,6 +34,59 @@
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	12 }
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	13
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	14 /*
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	15 + * This is a generic tx descriptor for the e1000. When you use TCP
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	16 + * Segmentation Offload (TSO) the hardware actually uses two types of
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	17 + * tx descriptors in its tx ring:
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	18 + * - context descriptors: this descriptor doesn't actually point to data to
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	19 + * send but initialize the offloading engine for the data descriptor that
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	20 + * follow;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	21 + * - data descriptors: this descriptor points to data from the skbuffs.
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	22 + */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	23 + template type e1000::TxDescriptor()
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	24 + {
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	25 + chunk LKM::includes()
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	26 + {
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	27 + static const ${e1000::TxDescriptor} force_rtx_e1000_tx_descriptor_decl;
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	28 + }
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	29 +
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	30 + chunk ::decl()
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	31 + {
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	32 + typedef struct rtx_e1000_tx_descriptor
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	33 + {
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	34 + unsigned long int /* __le64 */ buff_addr;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	35 + union
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	36 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	37 + unsigned int /* __le32 */ data;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	38 + struct
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	39 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	40 + unsigned short /* __le16 */ length;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	41 + unsigned char csum_offset; /* CSO */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	42 + unsigned char cmd;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	43 + } fields;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	44 + } lower;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	45 + union
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	46 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	47 + unsigned int /* __le32 */ data;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	48 + struct
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	49 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	50 + unsigned char status;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	51 + unsigned char csum_start; /* CSS */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	52 + unsigned short /* __le16 */ special;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	53 + } fields;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	54 + } upper;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	55 + } *rtx_e1000_tx_descriptor_p;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	56 + }
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	57 +
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	58 + chunk ::init()
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	59 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	60 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	61 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	62 + map
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	63 + {
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	64 + }
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	65 + }
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	66 +
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	67 + /*
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	68 * Ring of e1000::RxDescriptors and their corresponding skbuffs.
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	69 *
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	70 * - size: total size of the ring in bytes.
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	71 @@ -73,6 +126,43 @@
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	72 }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	73 }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	74
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	75 + /*
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	76 + * Ring of e1000::TxDescriptors, this is a bit similar to the Rx ring except
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	77 + * that we don't really have to manage the skbuffs themselves (they are
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	78 + * given to use by the kernel).
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	79 + *
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	80 + * - size: total size of the ring in bytes.
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	81 + * - base: address of the ring (we can't use the typedef here until we get
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	82 + * CNorm unstrict);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	83 + * - dma_base: (physical) address of the ring where the device can access
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	84 + * the different descriptors.
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	85 + */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	86 + template type e1000::TxRing()
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	87 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	88 + chunk LKM::includes()
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	89 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	90 + static const ${e1000::TxRing} force_rtx_e1000_tx_ring_decl;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	91 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	92 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	93 + chunk ::decl()
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	94 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	95 + struct rtx_e1000_tx_ring
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	96 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	97 + unsigned int size;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	98 + struct rtx_e1000_tx_descriptor *base;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	99 + void* /* dma_addr_t */ dma_base;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	100 + };
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	101 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	102 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	103 + chunk ::init()
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	104 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	105 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	106 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	107 + map
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	108 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	109 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	110 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	111 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	112 template type e1000::Context()
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	113 {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	114 chunk LKM::includes()
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	115 @@ -99,6 +189,7 @@
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	116
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	117 /* we can't use the Rathaxes type here (#8) */
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	118 struct rtx_e1000_rx_ring rx_ring;
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	119 + struct rtx_e1000_tx_ring tx_ring;
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	120 } *rtx_e1000_ctx_p;
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	121 }
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	122
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	123 @@ -139,6 +230,7 @@
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	124 E1000_FCT = 0x00030, /* Flow Control Type */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	125 E1000_RCTL = 0x00100, /* Receive Control */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	126 E1000_FCTTV = 0x00170, /* Flow Control Transmit Timer Value */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	127 + E1000_TCTL = 0x00400, /* Transmit Control */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	128 E1000_CRCERRS = 0x04000, /* CRC Error Count (base address of the statistic register spaces) */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	129 E1000_RAL = 0x05400, /* Receive Address Low */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	130 E1000_RAH = 0x05404, /* Receive Address High */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	131 @@ -148,6 +240,11 @@
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	132 E1000_RDLEN = 0x02808, /* Receive Descriptor Length */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	133 E1000_RDH = 0x02810, /* Receive Descriptor Head */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	134 E1000_RDT = 0x02818, /* Receive Descriptor Tail */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	135 + E1000_TDBAL = 0x03800, /* Transmit Descriptor Base Address (Low 32 bits) */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	136 + E1000_TDBAH = 0x03804, /* Transmit Descriptor Base Address (High 33 bits) */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	137 + E1000_TDLEN = 0x03808, /* Transmit Descriptor Length */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	138 + E1000_TDH = 0x03810, /* Transmit Descriptor Head */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	139 + E1000_TDT = 0x03818, /* Transmit Descriptor Tail */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	140 };
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	141 }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	142
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	143 @@ -226,6 +323,8 @@
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	144 E1000_RCTL_BSIZE_4096 = (E1000_RCTL_BSEX \| (1 << 16) \| (1 << 17)),
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	145 E1000_RCTL_BSIZE_8192 = (E1000_RCTL_BSEX \| (1 << 17)),
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	146 E1000_RCTL_BSIZE_16384 = (E1000_RCTL_BSEX \| (1 << 16)),
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	147 + E1000_TCTL_EN = (1 << 1), /* Transmitter Enable */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	148 + E1000_TCTL_PSP = (1 << 3), /* Pad Short Packet */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	149 };
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	150 }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	151
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	152 @@ -728,11 +827,64 @@
81 78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	153 }
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	154
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	155 /*
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	156 + * Transmission initialization (section 14.5):
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	157 + *
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	158 + * 1. Allocate the transmit descriptors ring and map it to make it
81 78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	159 + * accessible by the device;
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	160 + * 2. Write the start address of the ring in TDBAL/TDBAH and set
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	161 + * TDLEN to the size of the ring;
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	162 + * 3. Set the TDH/TDT indexes to the beginning and end of the ring;
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	163 + * 4. Set TCTL.PSP to pad short packets and TCTL.EN to enable the
71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	164 + * transmitter.
81 78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	165 + */
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	166 +
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	167 + /*
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	168 + * XXX: at this point we must be careful to not fuck up with i, or
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	169 + * we are going go have surprises in `err_skbuffs_alloc`. Maybe it's
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	170 + * time to separate the rx and tx initialization in two functions.
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	171 + */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	172 +
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	173 + /* 1. Allocate the tx ring */
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	174 + hw_ctx->tx_ring.size = ${config.tx_ring_size} * sizeof(*hw_ctx->tx_ring.base);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	175 + hw_ctx->tx_ring.size = ALIGN(hw_ctx->tx_ring.size, 4096);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	176 + hw_ctx->tx_ring.base = dma_alloc_coherent(
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	177 + &${ctx}->pci_dev->dev,
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	178 + hw_ctx->tx_ring.size,
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	179 + (dma_addr_t *)&hw_ctx->tx_ring.dma_base,
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	180 + GFP_KERNEL);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	181 + if (!hw_ctx->rx_ring.base)
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	182 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	183 + ${Log::info("cannot allocate the descriptors for the tx ring")};
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	184 + goto err_tx_ring_alloc;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	185 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	186 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	187 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	188 + ${Log::info("setup_device: tx descriptors allocated")};
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	189 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	190 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	191 + /* 2. Save the emplacement and the size of the ring in TDBA/TDLEN */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	192 + rtx_e1000_register_write32(hw_ctx, E1000_TDBAL, (dma_addr_t)hw_ctx->tx_ring.dma_base & 0xffffffff);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	193 + rtx_e1000_register_write32(hw_ctx, E1000_TDBAH, (dma_addr_t)hw_ctx->tx_ring.dma_base >> 32);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	194 + rtx_e1000_register_write32(hw_ctx, E1000_TDLEN, hw_ctx->tx_ring.size);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	195 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	196 + /* 3. Setup TDH/TDT to zero: the queue is empty */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	197 + rtx_e1000_register_write32(hw_ctx, E1000_TDH, 0);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	198 + rtx_e1000_register_write32(hw_ctx, E1000_TDT, 0);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	199 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	200 + /* 4. Set TCTL.PSP and enable the transmitter */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	201 + rtx_e1000_register_set32(hw_ctx, E1000_TCTL, E1000_TCTL_PSP\|E1000_TCTL_PSP);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	202 +
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	203 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	204 + ${Log::info("transmit registers configured and transmitter enabled")};
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	205 + }
82 71f76c0f235f Wip on the transmission Louis Opter <louis@lse.epitech.net> parents: 81 diff changeset	206 +
81 78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	207 + /*
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	208 * XXX: We can't return here since we are not in a function but in
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	209 * a chunk of code (injected in a function).
78f2f1918398 Push the rx init, start a patch for the tx init Louis Opter <louis@lse.epitech.net> parents: diff changeset	210 */
83 27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	211 goto ok;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	212
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	213 + err_tx_ring_alloc:
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	214 /*
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	215 * Likewise, always the same problem with error handling, we don't
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	216 * know where we are at in the "parent context":
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	217 @@ -788,6 +940,15 @@
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	218 ${Log::info("free_rx_tx: rx ring free'ed")};
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	219 }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	220
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	221 + /*
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	222 + * Free the tx ring:
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	223 + * - Free the descriptors array.
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	224 + */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	225 + dma_free_coherent(&${ctx}->pci_dev->dev, hw_ctx->tx_ring.size,
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	226 + hw_ctx->tx_ring.base, (dma_addr_t)hw_ctx->tx_ring.dma_base);
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	227 + {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	228 + ${Log::info("free_rx_tx: tx ring free'ed")};
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	229 + }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	230 }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	231 }
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	232
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	233 diff --git a/rathaxes/samples/e1000/e1000.rti b/rathaxes/samples/e1000/e1000.rti
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	234 --- a/rathaxes/samples/e1000/e1000.rti
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	235 +++ b/rathaxes/samples/e1000/e1000.rti
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	236 @@ -2,7 +2,9 @@
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	237 {
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	238 provided type e1000::Context;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	239 provided type e1000::RxDescriptor;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	240 + provided type e1000::TxDescriptor;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	241 provided type e1000::RxRing;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	242 + provided type e1000::TxRing;
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	243
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	244 /*
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	245 * These two types should actually be registers definitions in the frontend:
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	246 diff --git a/rathaxes/samples/e1000/lkm.rtx b/rathaxes/samples/e1000/lkm.rtx
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	247 --- a/rathaxes/samples/e1000/lkm.rtx
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	248 +++ b/rathaxes/samples/e1000/lkm.rtx
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	249 @@ -73,6 +73,7 @@
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	250 Ethernet::ifname = "rtx%d";
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	251
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	252 e1000::rx_ring_size = 256; /* Number of incoming packets we can buffer */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	253 + e1000::tx_ring_size = 256; /* Mumber of buffers we can have in the tx queue */
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	254 /*
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	255 * The e1000 supports seven receive buffer sizes: 256, 512, 1024, 2048,
27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send Louis Opter <louis@lse.epitech.net> parents: 82 diff changeset	256 * 4096, 8192 and 16384 bytes:

Mercurial > archived > louis > epitech > mq > rathaxes

annotate e1000_initialize_transmission.patch @ 83:27f0e70df342