sfc: Move Falcon global event handling to falcon.c

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index af62899bb981..fd5bf0b7e8a2 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -881,6 +881,40 @@ static void falcon_remove_port(struct efx_nic *efx)
         efx_nic_free_buffer(efx, &efx->stats_buffer);
 }
 
+/* Global events are basically PHY events */
+static bool
+falcon_handle_global_event(struct efx_channel *channel, efx_qword_t *event)
+{
+        struct efx_nic *efx = channel->efx;
+
+        if (EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_G_PHY0_INTR) ||
+            EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XG_PHY0_INTR) ||
+            EFX_QWORD_FIELD(*event, FSF_AB_GLB_EV_XFP_PHY0_INTR))
+                /* Ignored */
+                return true;
+
+        if ((efx_nic_rev(efx) == EFX_REV_FALCON_B0) &&
+            EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_XG_MGT_INTR)) {
+                efx->xmac_poll_required = true;
+                return true;
+        }
+
+        if (efx_nic_rev(efx) <= EFX_REV_FALCON_A1 ?
+            EFX_QWORD_FIELD(*event, FSF_AA_GLB_EV_RX_RECOVERY) :
+            EFX_QWORD_FIELD(*event, FSF_BB_GLB_EV_RX_RECOVERY)) {
+                netif_err(efx, rx_err, efx->net_dev,
+                          "channel %d seen global RX_RESET event. Resetting.\n",
+                          channel->channel);
+
+                atomic_inc(&efx->rx_reset);
+                efx_schedule_reset(efx, EFX_WORKAROUND_6555(efx) ?
+                                   RESET_TYPE_RX_RECOVERY : RESET_TYPE_DISABLE);
+                return true;
+        }
+
+        return false;
+}
+
 /**************************************************************************
  *
  * Falcon test code
@@ -1702,6 +1736,7 @@ struct efx_nic_type falcon_a1_nic_type = {
         .reset = falcon_reset_hw,
         .probe_port = falcon_probe_port,
         .remove_port = falcon_remove_port,
+        .handle_global_event = falcon_handle_global_event,
         .prepare_flush = falcon_prepare_flush,
         .update_stats = falcon_update_nic_stats,
         .start_stats = falcon_start_nic_stats,
@@ -1742,6 +1777,7 @@ struct efx_nic_type falcon_b0_nic_type = {
         .reset = falcon_reset_hw,
         .probe_port = falcon_probe_port,
         .remove_port = falcon_remove_port,
+        .handle_global_event = falcon_handle_global_event,
         .prepare_flush = falcon_prepare_flush,
         .update_stats = falcon_update_nic_stats,
         .start_stats = falcon_start_nic_stats,