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author | 2016-09-13 21:24:01 +0530 | |
---|---|---|
committer | 2016-09-15 20:49:20 -0400 | |
commit | cc516700c7edab4197d08998ac023c3043369391 (patch) | |
tree | 7066c61e5639f393e5edf15e36d1c8712d78c1ea /drivers | |
parent | libcxgb,iw_cxgb4,cxgbit: add cxgb_best_mtu() (diff) | |
download | linux-cc516700c7edab4197d08998ac023c3043369391.tar.gz linux-cc516700c7edab4197d08998ac023c3043369391.tar.bz2 linux-cc516700c7edab4197d08998ac023c3043369391.zip |
libcxgb,iw_cxgb4,cxgbit: add cxgb_compute_wscale()
Add cxgb_compute_wscale() in libcxgb_cm.h to remove
it's duplicate definitions from cxgb4/cm.c and
cxgbit/cxgbit_cm.c.
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 12 | ||||
-rw-r--r-- | drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h | 9 | ||||
-rw-r--r-- | drivers/target/iscsi/cxgbit/cxgbit_cm.c | 11 |
4 files changed, 16 insertions, 25 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index c3c678ff6ebb..b9d77df0a2f6 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -689,7 +689,7 @@ static int send_connect(struct c4iw_ep *ep) u64 opt0; u32 opt2; unsigned int mtu_idx; - int wscale; + u32 wscale; int win, sizev4, sizev6, wrlen; struct sockaddr_in *la = (struct sockaddr_in *) &ep->com.local_addr; @@ -739,7 +739,7 @@ static int send_connect(struct c4iw_ep *ep) cxgb_best_mtu(ep->com.dev->rdev.lldi.mtus, ep->mtu, &mtu_idx, enable_tcp_timestamps, (ep->com.remote_addr.ss_family == AF_INET) ? 0 : 1); - wscale = compute_wscale(rcv_win); + wscale = cxgb_compute_wscale(rcv_win); /* * Specify the largest window that will fit in opt0. The @@ -1891,7 +1891,7 @@ static int send_fw_act_open_req(struct c4iw_ep *ep, unsigned int atid) struct sk_buff *skb; struct fw_ofld_connection_wr *req; unsigned int mtu_idx; - int wscale; + u32 wscale; struct sockaddr_in *sin; int win; @@ -1919,7 +1919,7 @@ static int send_fw_act_open_req(struct c4iw_ep *ep, unsigned int atid) cxgb_best_mtu(ep->com.dev->rdev.lldi.mtus, ep->mtu, &mtu_idx, enable_tcp_timestamps, (ep->com.remote_addr.ss_family == AF_INET) ? 0 : 1); - wscale = compute_wscale(rcv_win); + wscale = cxgb_compute_wscale(rcv_win); /* * Specify the largest window that will fit in opt0. The @@ -2339,7 +2339,7 @@ static int accept_cr(struct c4iw_ep *ep, struct sk_buff *skb, unsigned int mtu_idx; u64 opt0; u32 opt2; - int wscale; + u32 wscale; struct cpl_t5_pass_accept_rpl *rpl5 = NULL; int win; enum chip_type adapter_type = ep->com.dev->rdev.lldi.adapter_type; @@ -2363,7 +2363,7 @@ static int accept_cr(struct c4iw_ep *ep, struct sk_buff *skb, cxgb_best_mtu(ep->com.dev->rdev.lldi.mtus, ep->mtu, &mtu_idx, enable_tcp_timestamps && req->tcpopt.tstamp, (ep->com.remote_addr.ss_family == AF_INET) ? 0 : 1); - wscale = compute_wscale(rcv_win); + wscale = cxgb_compute_wscale(rcv_win); /* * Specify the largest window that will fit in opt0. The diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index aa47e0ae80bc..6a9bef1f09a8 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -881,15 +881,6 @@ static inline struct c4iw_listen_ep *to_listen_ep(struct iw_cm_id *cm_id) return cm_id->provider_data; } -static inline int compute_wscale(int win) -{ - int wscale = 0; - - while (wscale < 14 && (65535<<wscale) < win) - wscale++; - return wscale; -} - static inline int ocqp_supported(const struct cxgb4_lld_info *infop) { #if defined(__i386__) || defined(__x86_64__) || defined(CONFIG_PPC64) diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h index 7fb4feb3c221..ecf3baa940b9 100644 --- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h +++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.h @@ -74,4 +74,13 @@ cxgb_best_mtu(const unsigned short *mtus, unsigned short mtu, cxgb4_best_aligned_mtu(mtus, hdr_size, data_size, 8, idx); } + +static inline u32 cxgb_compute_wscale(u32 win) +{ + u32 wscale = 0; + + while (wscale < 14 && (65535 << wscale) < win) + wscale++; + return wscale; +} #endif diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c index b09c09ba9659..cd29c91d01fc 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c @@ -1085,15 +1085,6 @@ out: return -ENOMEM; } -static u32 cxgbit_compute_wscale(u32 win) -{ - u32 wscale = 0; - - while (wscale < 14 && (65535 << wscale) < win) - wscale++; - return wscale; -} - static void cxgbit_pass_accept_rpl(struct cxgbit_sock *csk, struct cpl_pass_accept_req *req) { @@ -1124,7 +1115,7 @@ cxgbit_pass_accept_rpl(struct cxgbit_sock *csk, struct cpl_pass_accept_req *req) cxgb_best_mtu(csk->com.cdev->lldi.mtus, csk->mtu, &mtu_idx, req->tcpopt.tstamp, (csk->com.remote_addr.ss_family == AF_INET) ? 0 : 1); - wscale = cxgbit_compute_wscale(csk->rcv_win); + wscale = cxgb_compute_wscale(csk->rcv_win); /* * Specify the largest window that will fit in opt0. The * remainder will be specified in the rx_data_ack. |