cxgb3: Fix T3C MAC max packet size access (cfe2462c) · Commits · 戴 / test

Max packet size is not the only field in T3C's High Water Mark register. Mask the register to access this field. Signed-off-by:

drivers/net/cxgb3/xgmac.c

+6 −5

Original line number	Diff line number	Diff line
		@@ -447,11 +447,12 @@ int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc)

		val = t3_read_reg(adap, A_XGM_RXFIFO_CFG + oft);
		val &= ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM);
		if (fc & PAUSE_TX)
		val \|= V_RXFIFOPAUSEHWM(rx_fifo_hwm(
		t3_read_reg(adap,
		A_XGM_RX_MAX_PKT_SIZE
		+ oft)) / 8);
		if (fc & PAUSE_TX) {
		u32 rx_max_pkt_size =
		G_RXMAXPKTSIZE(t3_read_reg(adap,
		A_XGM_RX_MAX_PKT_SIZE + oft));
		val \|= V_RXFIFOPAUSEHWM(rx_fifo_hwm(rx_max_pkt_size) / 8);
		}
		t3_write_reg(adap, A_XGM_RXFIFO_CFG + oft, val);

		t3_set_reg_field(adap, A_XGM_TX_CFG + oft, F_TXPAUSEEN,