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annotate e1000_implement_the_frame_transmission_chunk.patch @ 83:27f0e70df342

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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
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children 6432998a8245
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27f0e70df342 Wip on the transmission, tx init done, and tx hooked from Ethernet send
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1 # HG changeset patch
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2 # Parent 1a5a83776de5ecff15e42930c7741f5b4f2ada13
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3 rathaxes: start to queue up packets in the TX ring on the e1000 sample
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4
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5 diff --git a/rathaxes/samples/e1000/e1000.blt b/rathaxes/samples/e1000/e1000.blt
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6 --- a/rathaxes/samples/e1000/e1000.blt
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7 +++ b/rathaxes/samples/e1000/e1000.blt
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8 @@ -597,7 +597,7 @@
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9
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10 chunk ::CALL()
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11 {
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12 - // this is an hack for the scope
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13 + // See #10
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14 (void)1;
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15 {
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16 int error;
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17 @@ -970,4 +970,31 @@
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18 }
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19 }
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20 }
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21 +
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22 + template sequence e1000::xmit(Ethernet::Device ctx, Socket::SKBuff skb)
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23 + {
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24 + chunk ::CALL()
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25 + {
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26 + /*
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27 + * Put packets on the TX ring, must return NETDEV_TX_OK or
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28 + * NETDEV_TX_BUSY.
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29 + */
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30 + (void)1; // See #10
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31 + {
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32 + ${Log::info("xmit: skbuff details:")};
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33 + }
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34 + pr_info(
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35 + "\t len = %-5u data_len = %-5u head_len = %-5u\n"
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36 + "\tnr_frags = %u\n"
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37 + "\tgso_size = %-5u gso_segs = %-5u gso_type = %-5u\n",
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38 + ${skb}->len,
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39 + ${skb}->data_len,
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40 + skb_headlen(${skb}),
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41 + skb_shinfo(${skb})->nr_frags,
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42 + skb_shinfo(${skb})->gso_size,
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43 + skb_shinfo(${skb})->gso_segs,
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44 + skb_shinfo(${skb})->gso_type
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45 + );
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46 + }
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47 + }
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48 }
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49 diff --git a/rathaxes/samples/e1000/e1000.rti b/rathaxes/samples/e1000/e1000.rti
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50 --- a/rathaxes/samples/e1000/e1000.rti
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51 +++ b/rathaxes/samples/e1000/e1000.rti
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52 @@ -70,6 +70,11 @@
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53 provided chunk ::CALL();
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54 }
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55
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56 + provided sequence e1000::xmit(Ethernet::Device, Socket::SKBuff)
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57 + {
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58 + provided chunk ::CALL();
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59 + }
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60 +
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61 provided sequence e1000::register_read32(e1000::Context, e1000::Register)
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62 {
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63 provided chunk LKM::prototypes();
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64 diff --git a/rathaxes/samples/e1000/lkm.rtx b/rathaxes/samples/e1000/lkm.rtx
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65 --- a/rathaxes/samples/e1000/lkm.rtx
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66 +++ b/rathaxes/samples/e1000/lkm.rtx
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67 @@ -46,6 +46,7 @@
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68 Ethernet::send(Ethernet::Device dev, Socket::SKBuff skb)
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69 {
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70 Log::info("we have one packet to transmit!");
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71 + e1000::xmit(dev, skb);
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72 }
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73
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74 LKM::init()