---

yaml --- r: 195112 b: refs/heads/master c: a40242f h: refs/heads/master v: v3
git-mirror · May 11, 2010 · 3ee9630 · 3ee9630
1 parent 8a45be1
commit 3ee9630
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Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e6dd789af1823908ed3ccda26bf07faf5970bce1
+refs/heads/master: a40242f2cde38ccb04d4c35cad66aab3c047fa6a
diff --git a/trunk/drivers/net/wimax/i2400m/tx.c b/trunk/drivers/net/wimax/i2400m/tx.c
@@ -282,6 +282,11 @@ enum {
 	I2400M_TX_PLD_SIZE = sizeof(struct i2400m_msg_hdr)
 	+ I2400M_TX_PLD_MAX * sizeof(struct i2400m_pld),
 	I2400M_TX_SKIP = 0x80000000,
+	/*
+	 * According to Intel Wimax i3200, i5x50 and i6x50 specification
+	 * documents, the maximum size of each message can be up to 16KiB.
+	 */
+	I2400M_TX_MSG_SIZE = 16384,
 	/*
 	 * 16 byte aligned MAX_MTU + 4 byte payload prefix.
 	 */
@@ -682,7 +687,13 @@ int i2400m_tx(struct i2400m *i2400m, const void *buf, size_t buf_len,
 	}
 	if (i2400m->tx_msg == NULL)
 		goto error_tx_new;
-	if (i2400m->tx_msg->size + padded_len > I2400M_TX_BUF_SIZE / 2) {
+	/*
+	 * Check if this skb will fit in the TX queue's current active
+	 * TX message. The total message size must not exceed the maximum
+	 * size of each message I2400M_TX_MSG_SIZE. If it exceeds,
+	 * close the current message and push this skb into the new message.
+	 */
+	if (i2400m->tx_msg->size + padded_len > I2400M_TX_MSG_SIZE) {
 		d_printf(2, dev, "TX: message too big, going new\n");
 		i2400m_tx_close(i2400m);
 		i2400m_tx_new(i2400m);