diff options
| author |   Divy Le Ray <divy@chelsio.com> | 2007-03-18 13:10:12 -0700 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2007-03-23 01:48:34 -0400 |
| commit | fc90664e3438c990d280f179ccb0642711d5c553 (patch) | |
| tree | 8ece58a4eec002186f1c569385830f03336b50af /drivers/net/cxgb3/common.h | |
| parent | cxgb3 - Auto-load FW if mismatch detected (diff) | |
| download | linux-dev-fc90664e3438c990d280f179ccb0642711d5c553.tar.xz linux-dev-fc90664e3438c990d280f179ccb0642711d5c553.zip | |
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.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h index e23deeb7d06d..85e5543cfb57 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, |