diff options
Diffstat (limited to 'drivers/scsi/cxgbi/cxgb4i/cxgb4i.c')
| -rw-r--r-- | drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index dd00e5fe4a5e..de6feb8964c9 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -1,7 +1,7 @@ /* * cxgb4i.c: Chelsio T4 iSCSI driver. * - * Copyright (c) 2010 Chelsio Communications, Inc. + * Copyright (c) 2010-2015 Chelsio Communications, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -36,11 +36,12 @@ static unsigned int dbg_level; #define DRV_MODULE_NAME "cxgb4i" #define DRV_MODULE_DESC "Chelsio T4/T5 iSCSI Driver" -#define DRV_MODULE_VERSION "0.9.4" +#define DRV_MODULE_VERSION "0.9.5-ko" +#define DRV_MODULE_RELDATE "Apr. 2015" static char version[] = DRV_MODULE_DESC " " DRV_MODULE_NAME - " v" DRV_MODULE_VERSION "\n"; + " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; MODULE_AUTHOR("Chelsio Communications, Inc."); MODULE_DESCRIPTION(DRV_MODULE_DESC); @@ -50,11 +51,13 @@ MODULE_LICENSE("GPL"); module_param(dbg_level, uint, 0644); MODULE_PARM_DESC(dbg_level, "Debug flag (default=0)"); -static int cxgb4i_rcv_win = 256 * 1024; +#define CXGB4I_DEFAULT_10G_RCV_WIN (256 * 1024) +static int cxgb4i_rcv_win = -1; module_param(cxgb4i_rcv_win, int, 0644); MODULE_PARM_DESC(cxgb4i_rcv_win, "TCP reveive window in bytes"); -static int cxgb4i_snd_win = 128 * 1024; +#define CXGB4I_DEFAULT_10G_SND_WIN (128 * 1024) +static int cxgb4i_snd_win = -1; module_param(cxgb4i_snd_win, int, 0644); MODULE_PARM_DESC(cxgb4i_snd_win, "TCP send window in bytes"); @@ -196,10 +199,10 @@ static void send_act_open_req(struct cxgbi_sock *csk, struct sk_buff *skb, TX_CHAN_V(csk->tx_chan) | SMAC_SEL_V(csk->smac_idx) | ULP_MODE_V(ULP_MODE_ISCSI) | - RCV_BUFSIZ_V(cxgb4i_rcv_win >> 10); + RCV_BUFSIZ_V(csk->rcv_win >> 10); + opt2 = RX_CHANNEL_V(0) | RSS_QUEUE_VALID_F | - (RX_FC_DISABLE_F) | RSS_QUEUE_V(csk->rss_qid); if (is_t4(lldi->adapter_type)) { @@ -228,6 +231,7 @@ static void send_act_open_req(struct cxgbi_sock *csk, struct sk_buff *skb, } else { struct cpl_t5_act_open_req *req = (struct cpl_t5_act_open_req *)skb->head; + u32 isn = (prandom_u32() & ~7UL) - 1; INIT_TP_WR(req, 0); OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ, @@ -241,7 +245,10 @@ static void send_act_open_req(struct cxgbi_sock *csk, struct sk_buff *skb, cxgb4_select_ntuple( csk->cdev->ports[csk->port_id], csk->l2t))); - opt2 |= 1 << 31; + req->rsvd = cpu_to_be32(isn); + opt2 |= T5_ISS_VALID; + opt2 |= T5_OPT_2_VALID_F; + req->opt2 = cpu_to_be32(opt2); log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, @@ -279,7 +286,7 @@ static void send_act_open_req6(struct cxgbi_sock *csk, struct sk_buff *skb, TX_CHAN_V(csk->tx_chan) | SMAC_SEL_V(csk->smac_idx) | ULP_MODE_V(ULP_MODE_ISCSI) | - RCV_BUFSIZ_V(cxgb4i_rcv_win >> 10); + RCV_BUFSIZ_V(csk->rcv_win >> 10); opt2 = RX_CHANNEL_V(0) | RSS_QUEUE_VALID_F | @@ -544,7 +551,7 @@ static inline int send_tx_flowc_wr(struct cxgbi_sock *csk) flowc->mnemval[5].mnemonic = FW_FLOWC_MNEM_RCVNXT; flowc->mnemval[5].val = htonl(csk->rcv_nxt); flowc->mnemval[6].mnemonic = FW_FLOWC_MNEM_SNDBUF; - flowc->mnemval[6].val = htonl(cxgb4i_snd_win); + flowc->mnemval[6].val = htonl(csk->snd_win); flowc->mnemval[7].mnemonic = FW_FLOWC_MNEM_MSS; flowc->mnemval[7].val = htonl(csk->advmss); flowc->mnemval[8].mnemonic = 0; @@ -557,7 +564,7 @@ static inline int send_tx_flowc_wr(struct cxgbi_sock *csk) log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p, tid 0x%x, %u,%u,%u,%u,%u,%u,%u.\n", csk, csk->tid, 0, csk->tx_chan, csk->rss_qid, - csk->snd_nxt, csk->rcv_nxt, cxgb4i_snd_win, + csk->snd_nxt, csk->rcv_nxt, csk->snd_win, csk->advmss); cxgb4_ofld_send(csk->cdev->ports[csk->port_id], skb); @@ -750,8 +757,8 @@ static void do_act_establish(struct cxgbi_device *cdev, struct sk_buff *skb) * Causes the first RX_DATA_ACK to supply any Rx credits we couldn't * pass through opt0. */ - if (cxgb4i_rcv_win > (RCV_BUFSIZ_MASK << 10)) - csk->rcv_wup -= cxgb4i_rcv_win - (RCV_BUFSIZ_MASK << 10); + if (csk->rcv_win > (RCV_BUFSIZ_MASK << 10)) + csk->rcv_wup -= csk->rcv_win - (RCV_BUFSIZ_MASK << 10); csk->advmss = lldi->mtus[TCPOPT_MSS_G(tcp_opt)] - 40; if (TCPOPT_TSTAMP_G(tcp_opt)) @@ -1367,6 +1374,8 @@ static int init_act_open(struct cxgbi_sock *csk) unsigned int step; unsigned int size, size6; int t4 = is_t4(lldi->adapter_type); + unsigned int linkspeed; + unsigned int rcv_winf, snd_winf; log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p,%u,0x%lx,%u.\n", @@ -1440,6 +1449,21 @@ static int init_act_open(struct cxgbi_sock *csk) csk->txq_idx = cxgb4_port_idx(ndev) * step; step = lldi->nrxq / lldi->nchan; csk->rss_qid = lldi->rxq_ids[cxgb4_port_idx(ndev) * step]; + linkspeed = ((struct port_info *)netdev_priv(ndev))->link_cfg.speed; + csk->snd_win = cxgb4i_snd_win; + csk->rcv_win = cxgb4i_rcv_win; + if (cxgb4i_rcv_win <= 0) { + csk->rcv_win = CXGB4I_DEFAULT_10G_RCV_WIN; + rcv_winf = linkspeed / SPEED_10000; + if (rcv_winf) + csk->rcv_win *= rcv_winf; + } + if (cxgb4i_snd_win <= 0) { + csk->snd_win = CXGB4I_DEFAULT_10G_SND_WIN; + snd_winf = linkspeed / SPEED_10000; + if (snd_winf) + csk->snd_win *= snd_winf; + } csk->wr_cred = lldi->wr_cred - DIV_ROUND_UP(sizeof(struct cpl_abort_req), 16); csk->wr_max_cred = csk->wr_cred; @@ -1758,8 +1782,6 @@ static void *t4_uld_add(const struct cxgb4_lld_info *lldi) cdev->nports = lldi->nports; cdev->mtus = lldi->mtus; cdev->nmtus = NMTUS; - cdev->snd_win = cxgb4i_snd_win; - cdev->rcv_win = cxgb4i_rcv_win; cdev->rx_credit_thres = cxgb4i_rx_credit_thres; cdev->skb_tx_rsvd = CXGB4I_TX_HEADER_LEN; cdev->skb_rx_extra = sizeof(struct cpl_iscsi_hdr); |