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path: root/drivers/uwb/wlp/txrx.c
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Diffstat (limited to 'drivers/uwb/wlp/txrx.c')
-rw-r--r--drivers/uwb/wlp/txrx.c37
1 files changed, 8 insertions, 29 deletions
diff --git a/drivers/uwb/wlp/txrx.c b/drivers/uwb/wlp/txrx.c
index c701bd1a2887..cd2035768b47 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);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 14:55:34 +0000