| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Thu, 20 Dec 2007 15:21:39 -0800
From: "Matt Carlson" <mcarlson@...adcom.com>
To: davem@...emloft.net
cc: netdev@...r.kernel.org, "Michael Chan" <mchan@...adcom.com>,
andy@...yhouse.net
Subject: [PATCH 4/8] tg3: Replace some magic 5704S constants
This patch replaces magic values with preprocessor definitions for
the sg_dig_ctrl and sg_dig_status registers. This is preparatory work
for the next patch.
Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
Signed-off-by: Michael Chan <mchan@...adcom.com>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 9e51457..9985166 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2683,7 +2683,7 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
sg_dig_ctrl = tr32(SG_DIG_CTRL);
if (tp->link_config.autoneg != AUTONEG_ENABLE) {
- if (sg_dig_ctrl & (1 << 31)) {
+ if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) {
if (workaround) {
u32 val = serdes_cfg;
@@ -2693,7 +2693,8 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
val |= 0x4010000;
tw32_f(MAC_SERDES_CFG, val);
}
- tw32_f(SG_DIG_CTRL, 0x01388400);
+
+ tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
}
if (mac_status & MAC_STATUS_PCS_SYNCED) {
tg3_setup_flow_control(tp, 0, 0);
@@ -2703,13 +2704,13 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
}
/* Want auto-negotiation. */
- expected_sg_dig_ctrl = 0x81388400;
+ expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP;
/* Pause capability */
- expected_sg_dig_ctrl |= (1 << 11);
+ expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP;
/* Asymettric pause */
- expected_sg_dig_ctrl |= (1 << 12);
+ expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE;
if (sg_dig_ctrl != expected_sg_dig_ctrl) {
if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
@@ -2724,7 +2725,7 @@ static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
restart_autoneg:
if (workaround)
tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
- tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
+ tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET);
udelay(5);
tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
@@ -2735,22 +2736,22 @@ restart_autoneg:
sg_dig_status = tr32(SG_DIG_STATUS);
mac_status = tr32(MAC_STATUS);
- if ((sg_dig_status & (1 << 1)) &&
+ if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) &&
(mac_status & MAC_STATUS_PCS_SYNCED)) {
u32 local_adv, remote_adv;
local_adv = ADVERTISE_PAUSE_CAP;
remote_adv = 0;
- if (sg_dig_status & (1 << 19))
+ if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE)
remote_adv |= LPA_PAUSE_CAP;
- if (sg_dig_status & (1 << 20))
+ if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE)
remote_adv |= LPA_PAUSE_ASYM;
tg3_setup_flow_control(tp, local_adv, remote_adv);
current_link_up = 1;
tp->serdes_counter = 0;
tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
- } else if (!(sg_dig_status & (1 << 1))) {
+ } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) {
if (tp->serdes_counter)
tp->serdes_counter--;
else {
@@ -2765,7 +2766,7 @@ restart_autoneg:
tw32_f(MAC_SERDES_CFG, val);
}
- tw32_f(SG_DIG_CTRL, 0x01388400);
+ tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP);
udelay(40);
/* Link parallel detection - link is up */
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index ac47c17..3938eb3 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -545,6 +545,8 @@
#define SG_DIG_FIBER_MODE 0x00008000
#define SG_DIG_REMOTE_FAULT_MASK 0x00006000
#define SG_DIG_PAUSE_MASK 0x00001800
+#define SG_DIG_PAUSE_CAP 0x00000800
+#define SG_DIG_ASYM_PAUSE 0x00001000
#define SG_DIG_GBIC_ENABLE 0x00000400
#define SG_DIG_CHECK_END_ENABLE 0x00000200
#define SG_DIG_SGMII_AUTONEG_TIMER 0x00000100
@@ -556,6 +558,11 @@
#define SG_DIG_AUTONEG_LOW_ENABLE 0x00000004
#define SG_DIG_REMOTE_LOOPBACK 0x00000002
#define SG_DIG_LOOPBACK 0x00000001
+#define SG_DIG_COMMON_SETUP (SG_DIG_CRC16_CLEAR_N | \
+ SG_DIG_LOCAL_DUPLEX_STATUS | \
+ SG_DIG_LOCAL_LINK_STATUS | \
+ (0x2 << SG_DIG_SPEED_STATUS_SHIFT) | \
+ SG_DIG_FIBER_MODE | SG_DIG_GBIC_ENABLE)
#define SG_DIG_STATUS 0x000005b4
#define SG_DIG_CRC16_BUS_MASK 0xffff0000
#define SG_DIG_PARTNER_FAULT_MASK 0x00600000 /* If !MRADV_CRC16_SELECT */
--
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
Powered by blists - more mailing lists