qeth: new qeth device driver

List of major changes and improvements:
 no manipulation of the global ARP constructor
 clean code split into core, layer 2 and layer 3 functionality
 better exploitation of the ethtool interface
 better representation of the various hardware capabilities
 fix packet socket support (tcpdump), no fake_ll required
 osasnmpd notification via udev events
 coding style and beautification

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/drivers/s390/net/qeth_core_offl.h b/drivers/s390/net/qeth_core_offl.h
new file mode 100644
index 00000000000..86bf7df8cf1
--- /dev/null
+++ b/drivers/s390/net/qeth_core_offl.h
@@ -0,0 +1,76 @@
+/*
+ *  drivers/s390/net/qeth_core_offl.h
+ *
+ *    Copyright IBM Corp. 2007
+ *    Author(s): Thomas Spatzier <tspat@de.ibm.com>,
+ *		 Frank Blaschka <frank.blaschka@de.ibm.com>
+ */
+
+#ifndef __QETH_CORE_OFFL_H__
+#define __QETH_CORE_OFFL_H__
+
+struct qeth_eddp_element {
+	u32 flags;
+	u32 length;
+	void *addr;
+};
+
+struct qeth_eddp_context {
+	atomic_t refcnt;
+	enum qeth_large_send_types type;
+	int num_pages;			    /* # of allocated pages */
+	u8 **pages;			    /* pointers to pages */
+	int offset;			    /* offset in ctx during creation */
+	int num_elements;		    /* # of required 'SBALEs' */
+	struct qeth_eddp_element *elements; /* array of 'SBALEs' */
+	int elements_per_skb;		    /* # of 'SBALEs' per skb **/
+};
+
+struct qeth_eddp_context_reference {
+	struct list_head list;
+	struct qeth_eddp_context *ctx;
+};
+
+struct qeth_eddp_data {
+	struct qeth_hdr qh;
+	struct ethhdr mac;
+	__be16 vlan[2];
+	union {
+		struct {
+			struct iphdr h;
+			u8 options[40];
+		} ip4;
+		struct {
+			struct ipv6hdr h;
+		} ip6;
+	} nh;
+	u8 nhl;
+	void *nh_in_ctx;	/* address of nh within the ctx */
+	union {
+		struct {
+			struct tcphdr h;
+			u8 options[40];
+		} tcp;
+	} th;
+	u8 thl;
+	void *th_in_ctx;	/* address of th within the ctx */
+	struct sk_buff *skb;
+	int skb_offset;
+	int frag;
+	int frag_offset;
+} __attribute__ ((packed));
+
+extern struct qeth_eddp_context *qeth_eddp_create_context(struct qeth_card *,
+		 struct sk_buff *, struct qeth_hdr *, unsigned char);
+extern void qeth_eddp_put_context(struct qeth_eddp_context *);
+extern int qeth_eddp_fill_buffer(struct qeth_qdio_out_q *,
+		struct qeth_eddp_context *, int);
+extern void qeth_eddp_buf_release_contexts(struct qeth_qdio_out_buffer *);
+extern int qeth_eddp_check_buffers_for_context(struct qeth_qdio_out_q *,
+		struct qeth_eddp_context *);
+
+void qeth_tso_fill_header(struct qeth_card *, struct qeth_hdr *,
+		struct sk_buff *);
+void qeth_tx_csum(struct sk_buff *skb);
+
+#endif /* __QETH_CORE_EDDP_H__ */