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Date: Wed, 16 Dec 2015 19:08:52 +0000 From: Jakub Kicinski <jakub.kicinski@...ronome.com> To: netdev@...r.kernel.org Cc: simon.horman@...ronome.com, rolf.neugebauer@...ronome.com, Jakub Kicinski <jakub.kicinski@...ronome.com> Subject: [PATCH net-next] nfp: clear ring delayed kick counters We need to clear delayed kick counters when we free rings otherwise after ndo_close()/ndo_open() we could kick HW by more entries than actually written to rings. Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com> Reviewed-by: Rolf Neugebauer <rolf.neugebauer@...ronome.com> --- drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 7060539d276a..6c5af4cb5bdc 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1363,6 +1363,7 @@ static void nfp_net_tx_ring_free(struct nfp_net_tx_ring *tx_ring) tx_ring->wr_p = 0; tx_ring->rd_p = 0; tx_ring->qcp_rd_p = 0; + tx_ring->wr_ptr_add = 0; tx_ring->txbufs = NULL; tx_ring->txds = NULL; @@ -1437,6 +1438,7 @@ static void nfp_net_rx_ring_free(struct nfp_net_rx_ring *rx_ring) rx_ring->cnt = 0; rx_ring->wr_p = 0; rx_ring->rd_p = 0; + rx_ring->wr_ptr_add = 0; rx_ring->rxbufs = NULL; rx_ring->rxds = NULL; -- 1.9.1 -- 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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