diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/sfc/efx_channels.c | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/ptp.c | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/ptp.h | 1 |
3 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c index fe1ad682e3d5..2ab8571ef1cc 100644 --- a/drivers/net/ethernet/sfc/efx_channels.c +++ b/drivers/net/ethernet/sfc/efx_channels.c @@ -744,7 +744,9 @@ void efx_remove_channels(struct efx_nic *efx) int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries) { - struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel; + struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel, + *ptp_channel = efx_ptp_channel(efx); + struct efx_ptp_data *ptp_data = efx->ptp_data; unsigned int i, next_buffer_table = 0; u32 old_rxq_entries, old_txq_entries; int rc, rc2; @@ -814,6 +816,7 @@ int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries) } out: + efx->ptp_data = NULL; /* Destroy unused channel structures */ for (i = 0; i < efx->n_channels; i++) { channel = other_channel[i]; @@ -824,6 +827,7 @@ out: } } + efx->ptp_data = ptp_data; rc2 = efx_soft_enable_interrupts(efx); if (rc2) { rc = rc ? rc : rc2; @@ -842,6 +846,7 @@ rollback: efx->txq_entries = old_txq_entries; for (i = 0; i < efx->n_channels; i++) swap(efx->channel[i], other_channel[i]); + efx_ptp_update_channel(efx, ptp_channel); goto out; } diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index 797e51802ccb..725b0f38813a 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -45,6 +45,7 @@ #include "farch_regs.h" #include "tx.h" #include "nic.h" /* indirectly includes ptp.h */ +#include "efx_channels.h" /* Maximum number of events expected to make up a PTP event */ #define MAX_EVENT_FRAGS 3 @@ -541,6 +542,12 @@ struct efx_channel *efx_ptp_channel(struct efx_nic *efx) return efx->ptp_data ? efx->ptp_data->channel : NULL; } +void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel) +{ + if (efx->ptp_data) + efx->ptp_data->channel = channel; +} + static u32 last_sync_timestamp_major(struct efx_nic *efx) { struct efx_channel *channel = efx_ptp_channel(efx); @@ -1443,6 +1450,11 @@ int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel) int rc = 0; unsigned int pos; + if (efx->ptp_data) { + efx->ptp_data->channel = channel; + return 0; + } + ptp = kzalloc(sizeof(struct efx_ptp_data), GFP_KERNEL); efx->ptp_data = ptp; if (!efx->ptp_data) @@ -2179,7 +2191,7 @@ static const struct efx_channel_type efx_ptp_channel_type = { .pre_probe = efx_ptp_probe_channel, .post_remove = efx_ptp_remove_channel, .get_name = efx_ptp_get_channel_name, - /* no copy operation; there is no need to reallocate this channel */ + .copy = efx_copy_channel, .receive_skb = efx_ptp_rx, .want_txqs = efx_ptp_want_txqs, .keep_eventq = false, diff --git a/drivers/net/ethernet/sfc/ptp.h b/drivers/net/ethernet/sfc/ptp.h index 9855e8c9e544..7b1ef7002b3f 100644 --- a/drivers/net/ethernet/sfc/ptp.h +++ b/drivers/net/ethernet/sfc/ptp.h @@ -16,6 +16,7 @@ struct ethtool_ts_info; int efx_ptp_probe(struct efx_nic *efx, struct efx_channel *channel); void efx_ptp_defer_probe_with_channel(struct efx_nic *efx); struct efx_channel *efx_ptp_channel(struct efx_nic *efx); +void efx_ptp_update_channel(struct efx_nic *efx, struct efx_channel *channel); void efx_ptp_remove(struct efx_nic *efx); int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr); int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr); |