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Message-ID: <1367240268-32609-1-git-send-email-claudiu.manoil@freescale.com> Date: Mon, 29 Apr 2013 15:57:48 +0300 From: Claudiu Manoil <claudiu.manoil@...escale.com> To: <netdev@...r.kernel.org> CC: Paul Gortmaker <paul.gortmaker@...driver.com>, "David S. Miller" <davem@...emloft.net> Subject: [PATCH][net-next] gianfar: Fix reported sent bytes to BQL for Tx timestamping When Tx timestamping is enabled the number of sent bytes reported to BQL via tx_completed_queue() falls short by GMAC_FCB_LEN + GMAC_TXPAL_LEN than the number of bytes reported via tx_sent_queue() on xmit. This leads to BQL stopping transmission errorneously followed by tx timeout firing. This fixes the amount of sent bytes reported to BQL on clean_tx_ring to match the amount reported on xmit, when Tx timestamping enabled. Signed-off-by: Claudiu Manoil <claudiu.manoil@...escale.com> --- drivers/net/ethernet/freescale/gianfar.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 2375a01..0d26a8b 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -2539,6 +2539,7 @@ static void gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) skb_tstamp_tx(skb, &shhwtstamps); bdp->lstatus &= BD_LFLAG(TXBD_WRAP); bdp = next; + bytes_sent += GMAC_FCB_LEN + GMAC_TXPAL_LEN; } bdp->lstatus &= BD_LFLAG(TXBD_WRAP); -- 1.7.11.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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