---

yaml --- r: 135371 b: refs/heads/master c: bb145a9 h: refs/heads/master i: 135369: 588a5ce 135367: 041bf8f v: v3
git-mirror · Mar 22, 2009 · afc07ec · afc07ec
1 parent 4060b23
commit afc07ec
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Showing 3 changed files with 11 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e84665c9cb4db963393fafad6fefe5efdd7e4a09
+refs/heads/master: bb145a9e28c32a37f35308bb32180b59e358a3a1
diff --git a/trunk/drivers/net/sfc/tx.c b/trunk/drivers/net/sfc/tx.c
@@ -162,6 +162,14 @@ static int efx_enqueue_skb(struct efx_tx_queue *tx_queue,
 	/* Get size of the initial fragment */
 	len = skb_headlen(skb);
 
+	/* Pad if necessary */
+	if (EFX_WORKAROUND_15592(efx) && skb->len <= 32) {
+		EFX_BUG_ON_PARANOID(skb->data_len);
+		len = 32 + 1;
+		if (skb_pad(skb, len - skb->len))
+			return NETDEV_TX_OK;
+	}
+
 	fill_level = tx_queue->insert_count - tx_queue->old_read_count;
 	q_space = efx->type->txd_ring_mask - 1 - fill_level;
 

diff --git a/trunk/drivers/net/sfc/workarounds.h b/trunk/drivers/net/sfc/workarounds.h
@@ -36,6 +36,8 @@
 #define EFX_WORKAROUND_11482 EFX_WORKAROUND_ALWAYS
 /* Flush events can take a very long time to appear */
 #define EFX_WORKAROUND_11557 EFX_WORKAROUND_ALWAYS
+/* Truncated IPv4 packets can confuse the TX packet parser */
+#define EFX_WORKAROUND_15592 EFX_WORKAROUND_ALWAYS
 
 /* Spurious parity errors in TSORT buffers */
 #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A