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authorDivy Le Ray <divy@chelsio.com>2007-03-18 13:10:12 -0700
committerJeff Garzik <jeff@garzik.org>2007-03-23 01:48:34 -0400
commitfc90664e3438c990d280f179ccb0642711d5c553 (patch)
tree8ece58a4eec002186f1c569385830f03336b50af /drivers/net/cxgb3/common.h
parent2e2839627a957714808f98a802d137a7a2a1df46 (diff)
cxgb3 - Fix potential MAC hang
Under rare conditions, the MAC might hang while generating a pause frame. This patch fine tunes the MAC settings to avoid the issue, allows for periodic MAC state check, and triggers a recovery if hung. Also fix one MAC statistics counter for the rev board T3B2. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/cxgb3/common.h')
-rw-r--r--drivers/net/cxgb3/common.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index e23deeb7d06..85e5543cfb5 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -260,6 +260,10 @@ struct mac_stats {
unsigned long serdes_signal_loss;
unsigned long xaui_pcs_ctc_err;
unsigned long xaui_pcs_align_change;
+
+ unsigned long num_toggled; /* # times toggled TxEn due to stuck TX */
+ unsigned long num_resets; /* # times reset due to stuck TX */
+
};
struct tp_mib_stats {
@@ -400,6 +404,12 @@ struct adapter_params {
unsigned int rev; /* chip revision */
};
+enum { /* chip revisions */
+ T3_REV_A = 0,
+ T3_REV_B = 2,
+ T3_REV_B2 = 3,
+};
+
struct trace_params {
u32 sip;
u32 sip_mask;
@@ -465,6 +475,10 @@ struct cmac {
struct adapter *adapter;
unsigned int offset;
unsigned int nucast; /* # of address filters for unicast MACs */
+ unsigned int tcnt;
+ unsigned int xcnt;
+ unsigned int toggle_cnt;
+ unsigned int txen;
struct mac_stats stats;
};
@@ -666,6 +680,7 @@ int t3_mac_set_address(struct cmac *mac, unsigned int idx, u8 addr[6]);
int t3_mac_set_num_ucast(struct cmac *mac, int n);
const struct mac_stats *t3_mac_update_stats(struct cmac *mac);
int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc);
+int t3b2_mac_watchdog_task(struct cmac *mac);
void t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode);
int t3_mc5_init(struct mc5 *mc5, unsigned int nservers, unsigned int nfilters,