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| author | David S. Miller <davem@davemloft.net> | 2010-07-07 15:59:38 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-07 15:59:38 -0700 |
| commit | 597e608a8492d662736c9bc6aa507dbf1cadc17d (patch) | |
| tree | 6c330cdd0a4809f67dd191b37e34f5b4318cef78 /drivers/isdn/gigaset/i4l.c | |
| parent | acbc0f039ff4b93da737c91937b7c70018ded39f (diff) | |
| parent | 33b665eeeb85956ccbdf31c4c31a4e2a31133c44 (diff) | |
| download | linux-597e608a8492d662736c9bc6aa507dbf1cadc17d.tar.bz2 | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/isdn/gigaset/i4l.c')
| -rw-r--r-- | drivers/isdn/gigaset/i4l.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index c22e5ace8276..f01c3c2e2e46 100644 --- a/drivers/isdn/gigaset/i4l.c +++ b/drivers/isdn/gigaset/i4l.c @@ -16,7 +16,10 @@ #include "gigaset.h" #include <linux/isdnif.h> +#define SBUFSIZE 4096 /* sk_buff payload size */ +#define TRANSBUFSIZE 768 /* bytes per skb for transparent receive */ #define HW_HDR_LEN 2 /* Header size used to store ack info */ +#define MAX_BUF_SIZE (SBUFSIZE - HW_HDR_LEN) /* max data packet from LL */ /* == Handling of I4L IO =====================================================*/ @@ -231,6 +234,15 @@ static int command_from_LL(isdn_ctrl *cntrl) dev_err(cs->dev, "ISDN_CMD_DIAL: channel not free\n"); return -EBUSY; } + switch (bcs->proto2) { + case L2_HDLC: + bcs->rx_bufsize = SBUFSIZE; + break; + default: /* assume transparent */ + bcs->rx_bufsize = TRANSBUFSIZE; + } + dev_kfree_skb(bcs->rx_skb); + gigaset_new_rx_skb(bcs); commands = kzalloc(AT_NUM*(sizeof *commands), GFP_ATOMIC); if (!commands) { @@ -314,6 +326,15 @@ static int command_from_LL(isdn_ctrl *cntrl) return -EINVAL; } bcs = cs->bcs + ch; + switch (bcs->proto2) { + case L2_HDLC: + bcs->rx_bufsize = SBUFSIZE; + break; + default: /* assume transparent */ + bcs->rx_bufsize = TRANSBUFSIZE; + } + dev_kfree_skb(bcs->rx_skb); + gigaset_new_rx_skb(bcs); if (!gigaset_add_event(cs, &bcs->at_state, EV_ACCEPT, NULL, 0, NULL)) return -ENOMEM; |