Commit 4861292f authored by David S. Miller's avatar David S. Miller

Merge branch 'bnx2x'

Yuval Mintz says:

====================
bnx2x: Bug fixes patch series

This series contains several fixes, relating either to SR-IOV flows
or to critical sections protected by the rtnl lock.

Please consider applying these patches to `net'.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents eca42aaf 6ffa39f2
......@@ -1376,7 +1376,6 @@ enum {
BNX2X_SP_RTNL_RX_MODE,
BNX2X_SP_RTNL_HYPERVISOR_VLAN,
BNX2X_SP_RTNL_TX_STOP,
BNX2X_SP_RTNL_TX_RESUME,
};
struct bnx2x_prev_path_list {
......
......@@ -2959,6 +2959,10 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
bp->port.pmf = 0;
/* clear pending work in rtnl task */
bp->sp_rtnl_state = 0;
smp_mb();
/* Free SKBs, SGEs, TPA pool and driver internals */
bnx2x_free_skbs(bp);
if (CNIC_LOADED(bp))
......
......@@ -778,11 +778,6 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
/* ets may affect cmng configuration: reinit it in hw */
bnx2x_set_local_cmng(bp);
set_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state);
schedule_delayed_work(&bp->sp_rtnl_task, 0);
return;
case BNX2X_DCBX_STATE_TX_RELEASED:
DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_RELEASED\n");
......
......@@ -577,7 +577,9 @@ void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
if (rc) {
BNX2X_ERR("DMAE returned failure %d\n", rc);
#ifdef BNX2X_STOP_ON_ERROR
bnx2x_panic();
#endif
}
}
......@@ -614,7 +616,9 @@ void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
rc = bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
if (rc) {
BNX2X_ERR("DMAE returned failure %d\n", rc);
#ifdef BNX2X_STOP_ON_ERROR
bnx2x_panic();
#endif
}
}
......@@ -5231,18 +5235,18 @@ static void bnx2x_eq_int(struct bnx2x *bp)
case EVENT_RING_OPCODE_STOP_TRAFFIC:
DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n");
bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
if (f_obj->complete_cmd(bp, f_obj,
BNX2X_F_CMD_TX_STOP))
break;
bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
goto next_spqe;
case EVENT_RING_OPCODE_START_TRAFFIC:
DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n");
bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
if (f_obj->complete_cmd(bp, f_obj,
BNX2X_F_CMD_TX_START))
break;
bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
goto next_spqe;
case EVENT_RING_OPCODE_FUNCTION_UPDATE:
......@@ -9352,6 +9356,10 @@ static int bnx2x_process_kill(struct bnx2x *bp, bool global)
bnx2x_process_kill_chip_reset(bp, global);
barrier();
/* clear errors in PGB */
if (!CHIP_IS_E1x(bp))
REG_WR(bp, PGLUE_B_REG_LATCHED_ERRORS_CLR, 0x7f);
/* Recover after reset: */
/* MCP */
if (global && bnx2x_reset_mcp_comp(bp, val))
......@@ -9706,11 +9714,10 @@ static void bnx2x_sp_rtnl_task(struct work_struct *work)
&bp->sp_rtnl_state))
bnx2x_pf_set_vfs_vlan(bp);
if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state))
if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) {
bnx2x_dcbx_stop_hw_tx(bp);
if (test_and_clear_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state))
bnx2x_dcbx_resume_hw_tx(bp);
}
/* work which needs rtnl lock not-taken (as it takes the lock itself and
* can be called from other contexts as well)
......
......@@ -2864,6 +2864,17 @@
#define PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ 0x9430
#define PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_WRITE 0x9434
#define PGLUE_B_REG_INTERNAL_VFID_ENABLE 0x9438
/* [W 7] Writing 1 to each bit in this register clears a corresponding error
* details register and enables logging new error details. Bit 0 - clears
* INCORRECT_RCV_DETAILS; Bit 1 - clears RX_ERR_DETAILS; Bit 2 - clears
* TX_ERR_WR_ADD_31_0 TX_ERR_WR_ADD_63_32 TX_ERR_WR_DETAILS
* TX_ERR_WR_DETAILS2 TX_ERR_RD_ADD_31_0 TX_ERR_RD_ADD_63_32
* TX_ERR_RD_DETAILS TX_ERR_RD_DETAILS2 TX_ERR_WR_DETAILS_ICPL; Bit 3 -
* clears VF_LENGTH_VIOLATION_DETAILS. Bit 4 - clears
* VF_GRC_SPACE_VIOLATION_DETAILS. Bit 5 - clears RX_TCPL_ERR_DETAILS. Bit 6
* - clears TCPL_IN_TWO_RCBS_DETAILS. */
#define PGLUE_B_REG_LATCHED_ERRORS_CLR 0x943c
/* [R 9] Interrupt register #0 read */
#define PGLUE_B_REG_PGLUE_B_INT_STS 0x9298
/* [RC 9] Interrupt register #0 read clear */
......
......@@ -152,7 +152,7 @@ static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");
*done = PFVF_STATUS_SUCCESS;
return 0;
return -EINVAL;
}
/* Write message address */
......
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