diff options
Diffstat (limited to 'drivers/isdn/gigaset/i4l.c')
| -rw-r--r-- | drivers/isdn/gigaset/i4l.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c index c22e5ace8276..34bca37d65b9 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; @@ -398,6 +419,8 @@ oom: dev_err(bcs->cs->dev, "out of memory\n"); for (i = 0; i < AT_NUM; ++i) kfree(commands[i]); + kfree(commands); + gigaset_free_channel(bcs); return -ENOMEM; } @@ -622,9 +645,7 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid) iif->maxbufsize = MAX_BUF_SIZE; iif->features = ISDN_FEATURE_L2_TRANS | ISDN_FEATURE_L2_HDLC | -#ifdef GIG_X75 ISDN_FEATURE_L2_X75I | -#endif ISDN_FEATURE_L3_TRANS | ISDN_FEATURE_P_EURO; iif->hl_hdrlen = HW_HDR_LEN; /* Area for storing ack */ |