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Commit 94962f7f authored by Nithin Sujir's avatar Nithin Sujir Committed by David S. Miller
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tg3: Expand multicast drop counter miscounting fix to 5762 



commit 4d958473 - "tg3: Workaround
rx_discards stat bug", added a workaround for miscounted statistics for
multicast packets. This fix needs to be applied to the 5762.

Signed-off-by: default avatarNithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent efe8f0ea

drivers/net/ethernet/broadcom/tg3.c

+3 −0
Original line number Diff line number Diff line
@@ -9969,6 +9969,7 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) 
	if (tg3_asic_rev(tp) == ASIC_REV_5719)

		val |= BUFMGR_MODE_NO_TX_UNDERRUN;

	if (tg3_asic_rev(tp) == ASIC_REV_5717 ||

	    tg3_asic_rev(tp) == ASIC_REV_5762 ||

	    tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||

	    tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0)

		val |= BUFMGR_MODE_MBLOW_ATTN_ENAB;
@@ -10754,6 +10755,7 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp) 


	TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);

	if (tg3_asic_rev(tp) != ASIC_REV_5717 &&

	    tg3_asic_rev(tp) != ASIC_REV_5762 &&

	    tg3_chip_rev_id(tp) != CHIPREV_ID_5719_A0 &&

	    tg3_chip_rev_id(tp) != CHIPREV_ID_5720_A0) {

		TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
@@ -16545,6 +16547,7 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) 


	/* Set these bits to enable statistics workaround. */

	if (tg3_asic_rev(tp) == ASIC_REV_5717 ||

	    tg3_asic_rev(tp) == ASIC_REV_5762 ||

	    tg3_chip_rev_id(tp) == CHIPREV_ID_5719_A0 ||

	    tg3_chip_rev_id(tp) == CHIPREV_ID_5720_A0) {

		tp->coalesce_mode |= HOSTCC_MODE_ATTN;