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nfp: clear ring delayed kick counters

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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@netronome.com>
Reviewed-by: Rolf Neugebauer <rolf.neugebauer@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2015-12-16 19:08:52 +00:00 committed by David S. Miller
parent 1bd4978a88
commit 301c141d6a
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/netronome/nfp/nfp_net_common.c
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@ -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;