diff options
Diffstat (limited to 'drivers/net/wwan/iosm/iosm_ipc_mux_codec.c')
-rw-r--r-- | drivers/net/wwan/iosm/iosm_ipc_mux_codec.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c index d41e373f9c0a..d6b166fc5c0e 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c @@ -365,7 +365,8 @@ static void ipc_mux_dl_cmd_decode(struct iosm_mux *ipc_mux, struct sk_buff *skb) /* Pass the DL packet to the netif layer. */ static int ipc_mux_net_receive(struct iosm_mux *ipc_mux, int if_id, struct iosm_wwan *wwan, u32 offset, - u8 service_class, struct sk_buff *skb) + u8 service_class, struct sk_buff *skb, + u32 pkt_len) { struct sk_buff *dest_skb = skb_clone(skb, GFP_ATOMIC); @@ -373,7 +374,7 @@ static int ipc_mux_net_receive(struct iosm_mux *ipc_mux, int if_id, return -ENOMEM; skb_pull(dest_skb, offset); - skb_set_tail_pointer(dest_skb, dest_skb->len); + skb_trim(dest_skb, pkt_len); /* Pass the packet to the netif layer. */ dest_skb->priority = service_class; @@ -429,7 +430,7 @@ static void ipc_mux_dl_fcth_decode(struct iosm_mux *ipc_mux, static void ipc_mux_dl_adgh_decode(struct iosm_mux *ipc_mux, struct sk_buff *skb) { - u32 pad_len, packet_offset; + u32 pad_len, packet_offset, adgh_len; struct iosm_wwan *wwan; struct mux_adgh *adgh; u8 *block = skb->data; @@ -470,10 +471,12 @@ static void ipc_mux_dl_adgh_decode(struct iosm_mux *ipc_mux, packet_offset = sizeof(*adgh) + pad_len; if_id += ipc_mux->wwan_q_offset; + adgh_len = le16_to_cpu(adgh->length); /* Pass the packet to the netif layer */ rc = ipc_mux_net_receive(ipc_mux, if_id, wwan, packet_offset, - adgh->service_class, skb); + adgh->service_class, skb, + adgh_len - packet_offset); if (rc) { dev_err(ipc_mux->dev, "mux adgh decoding error"); return; @@ -547,7 +550,7 @@ static int mux_dl_process_dg(struct iosm_mux *ipc_mux, struct mux_adbh *adbh, int if_id, int nr_of_dg) { u32 dl_head_pad_len = ipc_mux->session[if_id].dl_head_pad_len; - u32 packet_offset, i, rc; + u32 packet_offset, i, rc, dg_len; for (i = 0; i < nr_of_dg; i++, dg++) { if (le32_to_cpu(dg->datagram_index) @@ -562,11 +565,12 @@ static int mux_dl_process_dg(struct iosm_mux *ipc_mux, struct mux_adbh *adbh, packet_offset = le32_to_cpu(dg->datagram_index) + dl_head_pad_len; + dg_len = le16_to_cpu(dg->datagram_length); /* Pass the packet to the netif layer. */ rc = ipc_mux_net_receive(ipc_mux, if_id, ipc_mux->wwan, packet_offset, - dg->service_class, - skb); + dg->service_class, skb, + dg_len - dl_head_pad_len); if (rc) goto dg_error; } @@ -1207,10 +1211,9 @@ static int mux_ul_dg_update_tbl_index(struct iosm_mux *ipc_mux, qlth_n_ql_size, ul_list); ipc_mux_ul_adb_finish(ipc_mux); if (ipc_mux_ul_adb_allocate(ipc_mux, adb, &ipc_mux->size_needed, - IOSM_AGGR_MUX_SIG_ADBH)) { - dev_kfree_skb(src_skb); + IOSM_AGGR_MUX_SIG_ADBH)) return -ENOMEM; - } + ipc_mux->size_needed = le32_to_cpu(adb->adbh->block_length); ipc_mux->size_needed += offsetof(struct mux_adth, dg); @@ -1471,8 +1474,7 @@ void ipc_mux_ul_encoded_process(struct iosm_mux *ipc_mux, struct sk_buff *skb) ipc_mux->ul_data_pend_bytes); /* Reset the skb settings. */ - skb->tail = 0; - skb->len = 0; + skb_trim(skb, 0); /* Add the consumed ADB to the free list. */ skb_queue_tail((&ipc_mux->ul_adb.free_list), skb); |