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| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-01-09 16:55:25 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-09 16:07:40 -0500 |
| commit | b38d732477e4211351b2680e805d944f66bceec9 (patch) | |
| tree | c4d7764d21d9a5e6de2197292c7cf9b75a7aba81 /net/smc/smc_wr.c | |
| parent | 952310ccf2d861966cfb8706f16d5e4eb585edb7 (diff) | |
| download | linux-b38d732477e4211351b2680e805d944f66bceec9.tar.gz linux-b38d732477e4211351b2680e805d944f66bceec9.tar.xz | |
smc: socket closing and linkgroup cleanup
smc_shutdown() and smc_release() handling
delayed linkgroup cleanup for linkgroups without connections
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_wr.c')
| -rw-r--r-- | net/smc/smc_wr.c | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c index 14f3f3fa6e52..eadf157418dc 100644 --- a/net/smc/smc_wr.c +++ b/net/smc/smc_wr.c @@ -81,6 +81,8 @@ static inline void smc_wr_tx_process_cqe(struct ib_wc *wc) if (!test_and_clear_bit(pnd_snd_idx, link->wr_tx_mask)) return; if (wc->status) { + struct smc_link_group *lgr; + for_each_set_bit(i, link->wr_tx_mask, link->wr_tx_cnt) { /* clear full struct smc_wr_tx_pend including .priv */ memset(&link->wr_tx_pends[i], 0, @@ -89,9 +91,10 @@ static inline void smc_wr_tx_process_cqe(struct ib_wc *wc) sizeof(link->wr_tx_bufs[i])); clear_bit(i, link->wr_tx_mask); } - /* tbd in future patch: terminate connections of this link - * group abnormally - */ + /* terminate connections of this link group abnormally */ + lgr = container_of(link, struct smc_link_group, + lnk[SMC_SINGLE_LINK]); + smc_lgr_terminate(lgr); } if (pnd_snd.handler) pnd_snd.handler(&pnd_snd.priv, link, wc->status); @@ -176,9 +179,12 @@ int smc_wr_tx_get_free_slot(struct smc_link *link, (smc_wr_tx_get_free_slot_index(link, &idx) != -EBUSY), SMC_WR_TX_WAIT_FREE_SLOT_TIME); if (!rc) { - /* tbd in future patch: timeout - terminate connections - * of this link group abnormally - */ + /* timeout - terminate connections */ + struct smc_link_group *lgr; + + lgr = container_of(link, struct smc_link_group, + lnk[SMC_SINGLE_LINK]); + smc_lgr_terminate(lgr); return -EPIPE; } if (rc == -ERESTARTSYS) @@ -256,6 +262,24 @@ void smc_wr_tx_dismiss_slots(struct smc_link *link, u8 wr_rx_hdr_type, } } +bool smc_wr_tx_has_pending(struct smc_link *link, u8 wr_rx_hdr_type, + smc_wr_tx_filter filter, unsigned long data) +{ + struct smc_wr_tx_pend_priv *tx_pend; + struct smc_wr_rx_hdr *wr_rx; + int i; + + for_each_set_bit(i, link->wr_tx_mask, link->wr_tx_cnt) { + wr_rx = (struct smc_wr_rx_hdr *)&link->wr_rx_bufs[i]; + if (wr_rx->type != wr_rx_hdr_type) + continue; + tx_pend = &link->wr_tx_pends[i].priv; + if (filter(tx_pend, data)) + return true; + } + return false; +} + /****************************** receive queue ********************************/ int smc_wr_rx_register_handler(struct smc_wr_rx_handler *handler) @@ -310,14 +334,19 @@ static inline void smc_wr_rx_process_cqes(struct ib_wc wc[], int num) smc_wr_rx_demultiplex(&wc[i]); smc_wr_rx_post(link); /* refill WR RX */ } else { + struct smc_link_group *lgr; + /* handle status errors */ switch (wc[i].status) { case IB_WC_RETRY_EXC_ERR: case IB_WC_RNR_RETRY_EXC_ERR: case IB_WC_WR_FLUSH_ERR: - /* tbd in future patch: terminate connections of this - * link group abnormally - */ + /* terminate connections of this link group + * abnormally + */ + lgr = container_of(link, struct smc_link_group, + lnk[SMC_SINGLE_LINK]); + smc_lgr_terminate(lgr); break; default: smc_wr_rx_post(link); /* refill WR RX */ |