diff options
Diffstat (limited to 'drivers/uwb/wlp/txrx.c')
-rw-r--r-- | drivers/uwb/wlp/txrx.c | 37 |
1 files changed, 8 insertions, 29 deletions
diff --git a/drivers/uwb/wlp/txrx.c b/drivers/uwb/wlp/txrx.c index c701bd1..cd20357 100644 --- a/drivers/uwb/wlp/txrx.c +++ b/drivers/uwb/wlp/txrx.c @@ -26,12 +26,10 @@ #include <linux/etherdevice.h> #include <linux/wlp.h> -#define D_LOCAL 5 -#include <linux/uwb/debug.h> -#include "wlp-internal.h" +#include "wlp-internal.h" -/** +/* * Direct incoming association msg to correct parsing routine * * We only expect D1, E1, C1, C3 messages as new. All other incoming @@ -48,35 +46,31 @@ void wlp_direct_assoc_frame(struct wlp *wlp, struct sk_buff *skb, struct device *dev = &wlp->rc->uwb_dev.dev; struct wlp_frame_assoc *assoc = (void *) skb->data; struct wlp_assoc_frame_ctx *frame_ctx; - d_fnstart(5, dev, "wlp %p, skb %p\n", wlp, skb); + frame_ctx = kmalloc(sizeof(*frame_ctx), GFP_ATOMIC); if (frame_ctx == NULL) { dev_err(dev, "WLP: Unable to allocate memory for association " "frame handling.\n"); kfree_skb(skb); - goto out; + return; } frame_ctx->wlp = wlp; frame_ctx->skb = skb; frame_ctx->src = *src; switch (assoc->type) { case WLP_ASSOC_D1: - d_printf(5, dev, "Received a D1 frame.\n"); INIT_WORK(&frame_ctx->ws, wlp_handle_d1_frame); schedule_work(&frame_ctx->ws); break; case WLP_ASSOC_E1: - d_printf(5, dev, "Received a E1 frame. FIXME?\n"); kfree_skb(skb); /* Temporary until we handle it */ kfree(frame_ctx); /* Temporary until we handle it */ break; case WLP_ASSOC_C1: - d_printf(5, dev, "Received a C1 frame.\n"); INIT_WORK(&frame_ctx->ws, wlp_handle_c1_frame); schedule_work(&frame_ctx->ws); break; case WLP_ASSOC_C3: - d_printf(5, dev, "Received a C3 frame.\n"); INIT_WORK(&frame_ctx->ws, wlp_handle_c3_frame); schedule_work(&frame_ctx->ws); break; @@ -87,11 +81,9 @@ void wlp_direct_assoc_frame(struct wlp *wlp, struct sk_buff *skb, kfree(frame_ctx); break; } -out: - d_fnend(5, dev, "wlp %p\n", wlp); } -/** +/* * Process incoming association frame * * Although it could be possible to deal with some incoming association @@ -112,7 +104,6 @@ void wlp_receive_assoc_frame(struct wlp *wlp, struct sk_buff *skb, struct wlp_frame_assoc *assoc = (void *) skb->data; struct wlp_session *session = wlp->session; u8 version; - d_fnstart(5, dev, "wlp %p, skb %p\n", wlp, skb); if (wlp_get_version(wlp, &assoc->version, &version, sizeof(assoc->version)) < 0) @@ -150,14 +141,12 @@ void wlp_receive_assoc_frame(struct wlp *wlp, struct sk_buff *skb, } else { wlp_direct_assoc_frame(wlp, skb, src); } - d_fnend(5, dev, "wlp %p\n", wlp); return; error: kfree_skb(skb); - d_fnend(5, dev, "wlp %p\n", wlp); } -/** +/* * Verify incoming frame is from connected neighbor, prep to pass to WLP client * * Verification proceeds according to WLP 0.99 [7.3.1]. The source address @@ -176,7 +165,6 @@ int wlp_verify_prep_rx_frame(struct wlp *wlp, struct sk_buff *skb, struct wlp_eda_node eda_entry; struct wlp_frame_std_abbrv_hdr *hdr = (void *) skb->data; - d_fnstart(6, dev, "wlp %p, skb %p \n", wlp, skb); /*verify*/ result = wlp_copy_eda_node(&wlp->eda, src, &eda_entry); if (result < 0) { @@ -207,11 +195,10 @@ int wlp_verify_prep_rx_frame(struct wlp *wlp, struct sk_buff *skb, /*prep*/ skb_pull(skb, sizeof(*hdr)); out: - d_fnend(6, dev, "wlp %p, skb %p, result = %d \n", wlp, skb, result); return result; } -/** +/* * Receive a WLP frame from device * * @returns: 1 if calling function should free the skb @@ -226,14 +213,12 @@ int wlp_receive_frame(struct device *dev, struct wlp *wlp, struct sk_buff *skb, struct wlp_frame_hdr *hdr; int result = 0; - d_fnstart(6, dev, "skb (%p), len (%u)\n", skb, len); if (len < sizeof(*hdr)) { dev_err(dev, "Not enough data to parse WLP header.\n"); result = -EINVAL; goto out; } hdr = ptr; - d_dump(6, dev, hdr, sizeof(*hdr)); if (le16_to_cpu(hdr->mux_hdr) != WLP_PROTOCOL_ID) { dev_err(dev, "Not a WLP frame type.\n"); result = -EINVAL; @@ -270,7 +255,6 @@ int wlp_receive_frame(struct device *dev, struct wlp *wlp, struct sk_buff *skb, "WLP header.\n"); goto out; } - d_printf(5, dev, "Association frame received.\n"); wlp_receive_assoc_frame(wlp, skb, src); break; default: @@ -283,13 +267,12 @@ out: kfree_skb(skb); result = 0; } - d_fnend(6, dev, "skb (%p)\n", skb); return result; } EXPORT_SYMBOL_GPL(wlp_receive_frame); -/** +/* * Verify frame from network stack, prepare for further transmission * * @skb: the socket buffer that needs to be prepared for transmission (it @@ -343,9 +326,7 @@ int wlp_prepare_tx_frame(struct device *dev, struct wlp *wlp, int result = -EINVAL; struct ethhdr *eth_hdr = (void *) skb->data; - d_fnstart(6, dev, "wlp (%p), skb (%p) \n", wlp, skb); if (is_broadcast_ether_addr(eth_hdr->h_dest)) { - d_printf(6, dev, "WLP: handling broadcast frame. \n"); result = wlp_eda_for_each(&wlp->eda, wlp_wss_send_copy, skb); if (result < 0) { if (printk_ratelimit()) @@ -357,7 +338,6 @@ int wlp_prepare_tx_frame(struct device *dev, struct wlp *wlp, result = 1; /* Frame will be transmitted by WLP. */ } else { - d_printf(6, dev, "WLP: handling unicast frame. \n"); result = wlp_eda_for_virtual(&wlp->eda, eth_hdr->h_dest, dst, wlp_wss_prep_hdr, skb); if (unlikely(result < 0)) { @@ -368,7 +348,6 @@ int wlp_prepare_tx_frame(struct device *dev, struct wlp *wlp, } } out: - d_fnend(6, dev, "wlp (%p), skb (%p). result = %d \n", wlp, skb, result); return result; } EXPORT_SYMBOL_GPL(wlp_prepare_tx_frame); |