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Commit e565eec3 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

tg3: Add unicast filtering support. 



Up to 3 additional unicast addresses can be added to the perfect match
filter table.

Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarNithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f022ae62

drivers/net/ethernet/broadcom/tg3.c

+21 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include <linux/mii.h>

#include <linux/phy.h>

#include <linux/brcmphy.h>

#include <linux/if.h>

#include <linux/if_vlan.h>

#include <linux/ip.h>

#include <linux/tcp.h>
@@ -208,6 +209,9 @@ static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits) 


#define TG3_RAW_IP_ALIGN 2



#define TG3_MAX_UCAST_ADDR(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 3)

#define TG3_UCAST_ADDR_IDX(tp) (tg3_flag((tp), ENABLE_ASF) ? 2 : 1)



#define TG3_FW_UPDATE_TIMEOUT_SEC	5

#define TG3_FW_UPDATE_FREQ_SEC		(TG3_FW_UPDATE_TIMEOUT_SEC / 2)
@@ -9198,6 +9202,7 @@ static int tg3_chip_reset(struct tg3 *tp) 


static void tg3_get_nstats(struct tg3 *, struct rtnl_link_stats64 *);

static void tg3_get_estats(struct tg3 *, struct tg3_ethtool_stats *);

static void __tg3_set_rx_mode(struct net_device *);



/* tp->lock is held. */

static int tg3_halt(struct tg3 *tp, int kind, bool silent)
@@ -9258,6 +9263,7 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p) 
	}

	spin_lock_bh(&tp->lock);

	__tg3_set_mac_addr(tp, skip_mac_1);

	__tg3_set_rx_mode(dev);

	spin_unlock_bh(&tp->lock);



	return err;
@@ -9646,6 +9652,20 @@ static void __tg3_set_rx_mode(struct net_device *dev) 
		tw32(MAC_HASH_REG_3, mc_filter[3]);

	}



	if (netdev_uc_count(dev) > TG3_MAX_UCAST_ADDR(tp)) {

		rx_mode |= RX_MODE_PROMISC;

	} else if (!(dev->flags & IFF_PROMISC)) {

		/* Add all entries into to the mac addr filter list */

		int i = 0;

		struct netdev_hw_addr *ha;



		netdev_for_each_uc_addr(ha, dev) {

			__tg3_set_one_mac_addr(tp, ha->addr,

					       i + TG3_UCAST_ADDR_IDX(tp));

			i++;

		}

	}



	if (rx_mode != tp->rx_mode) {

		tp->rx_mode = rx_mode;

		tw32_f(MAC_RX_MODE, rx_mode);
@@ -17620,6 +17640,7 @@ static int tg3_init_one(struct pci_dev *pdev, 
		features |= NETIF_F_LOOPBACK;



	dev->hw_features |= features;

	dev->priv_flags |= IFF_UNICAST_FLT;



	if (tg3_chip_rev_id(tp) == CHIPREV_ID_5705_A1 &&

	    !tg3_flag(tp, TSO_CAPABLE) &&