Support FWaaS - Firewalls
diff --git a/openstack/networking/v2/extensions/fwaas/firewalls/requests.go b/openstack/networking/v2/extensions/fwaas/firewalls/requests.go
new file mode 100644
index 0000000..2a62fd9
--- /dev/null
+++ b/openstack/networking/v2/extensions/fwaas/firewalls/requests.go
@@ -0,0 +1,142 @@
+package firewalls
+
+import (
+	"github.com/racker/perigee"
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/pagination"
+)
+
+type ListOpts struct {
+	TenantID     string `q:"tenant_id"`
+	Name         string `q:"name"`
+	Description  string `q:"description"`
+	AdminStateUp bool   `q:"admin_state_up"`
+	Shared       bool   `q:"shared"`
+	PolicyId     string `q:"policy_id"`
+	ID           string `q:"id"`
+	Limit        int    `q:"limit"`
+	Marker       string `q:"marker"`
+	SortKey      string `q:"sort_key"`
+	SortDir      string `q:"sort_dir"`
+}
+
+// List returns a Pager which allows you to iterate over a collection of
+// firewalls. It accepts a ListOpts struct, which allows you to filter
+// and sort the returned collection for greater efficiency.
+//
+// Default policy settings return only those firewalls that are owned by the
+// tenant who submits the request, unless an admin user submits the request.
+func List(c *gophercloud.ServiceClient, opts ListOpts) pagination.Pager {
+	q, err := gophercloud.BuildQueryString(&opts)
+	if err != nil {
+		return pagination.Pager{Err: err}
+	}
+	u := rootURL(c) + q.String()
+	return pagination.NewPager(c, u, func(r pagination.PageResult) pagination.Page {
+		return FirewallPage{pagination.LinkedPageBase{PageResult: r}}
+	})
+}
+
+// CreateOpts contains all the values needed to create a new firewall.
+type CreateOpts struct {
+	// Only required if the caller has an admin role and wants to create a firewall
+	// for another tenant.
+	TenantId     string
+	Name         string
+	Description  string
+	AdminStateUp bool
+	Shared       bool
+	PolicyId     string
+}
+
+// Create accepts a CreateOpts struct and uses the values to create a new firewall
+func Create(c *gophercloud.ServiceClient, opts CreateOpts) CreateResult {
+	type firewall struct {
+		TenantId     string `json:"tenant_id,omitempty"`
+		Name         string `json:"name,omitempty"`
+		Description  string `json:"description,omitempty"`
+		AdminStateUp bool   `json:"admin_state_up,omitempty"`
+		PolicyId     string `json:"firewall_policy_id"`
+	}
+	type request struct {
+		Firewall firewall `json:"firewall"`
+	}
+
+	reqBody := request{Firewall: firewall{
+		TenantId:     opts.TenantId,
+		Name:         opts.Name,
+		Description:  opts.Description,
+		AdminStateUp: opts.AdminStateUp,
+		PolicyId:     opts.PolicyId,
+	}}
+
+	var res CreateResult
+	_, res.Err = perigee.Request("POST", rootURL(c), perigee.Options{
+		MoreHeaders: c.AuthenticatedHeaders(),
+		ReqBody:     &reqBody,
+		Results:     &res.Body,
+		OkCodes:     []int{201},
+	})
+	return res
+}
+
+// Get retrieves a particular firewall based on its unique ID.
+func Get(c *gophercloud.ServiceClient, id string) GetResult {
+	var res GetResult
+	_, res.Err = perigee.Request("GET", resourceURL(c, id), perigee.Options{
+		MoreHeaders: c.AuthenticatedHeaders(),
+		Results:     &res.Body,
+		OkCodes:     []int{200},
+	})
+	return res
+}
+
+// UpdateOpts contains the values used when updating a firewall.
+type UpdateOpts struct {
+	// Name of the firewall.
+	Name         string
+	Description  string
+	AdminStateUp bool
+	Status       string
+	PolicyId     string
+}
+
+// Update allows firewalls to be updated.
+func Update(c *gophercloud.ServiceClient, id string, opts UpdateOpts) UpdateResult {
+	type firewall struct {
+		Name         string `json:"name"`
+		Description  string `json:"description"`
+		AdminStateUp bool   `json:"admin_state_up,omitempty"`
+		PolicyId     string `json:"firewall_policy_id,omitempty"`
+	}
+	type request struct {
+		Firewall firewall `json:"firewall"`
+	}
+
+	reqBody := request{Firewall: firewall{
+		Name:         opts.Name,
+		Description:  opts.Description,
+		AdminStateUp: opts.AdminStateUp,
+		PolicyId:     opts.PolicyId,
+	}}
+
+	// Send request to API
+	var res UpdateResult
+	_, res.Err = perigee.Request("PUT", resourceURL(c, id), perigee.Options{
+		MoreHeaders: c.AuthenticatedHeaders(),
+		ReqBody:     &reqBody,
+		Results:     &res.Body,
+		OkCodes:     []int{200},
+	})
+	return res
+}
+
+// Delete will permanently delete a particular firewall based on its unique ID.
+func Delete(c *gophercloud.ServiceClient, id string) DeleteResult {
+	var res DeleteResult
+	_, res.Err = perigee.Request("DELETE", resourceURL(c, id), perigee.Options{
+		MoreHeaders: c.AuthenticatedHeaders(),
+		OkCodes:     []int{204},
+	})
+	return res
+}
diff --git a/openstack/networking/v2/extensions/fwaas/firewalls/requests_test.go b/openstack/networking/v2/extensions/fwaas/firewalls/requests_test.go
new file mode 100644
index 0000000..559fb85
--- /dev/null
+++ b/openstack/networking/v2/extensions/fwaas/firewalls/requests_test.go
@@ -0,0 +1,3 @@
+package firewalls
+
+// TODO
diff --git a/openstack/networking/v2/extensions/fwaas/firewalls/results.go b/openstack/networking/v2/extensions/fwaas/firewalls/results.go
new file mode 100644
index 0000000..4d1038c
--- /dev/null
+++ b/openstack/networking/v2/extensions/fwaas/firewalls/results.go
@@ -0,0 +1,100 @@
+package firewalls
+
+import (
+	"github.com/mitchellh/mapstructure"
+	"github.com/rackspace/gophercloud"
+	"github.com/rackspace/gophercloud/pagination"
+)
+
+type Firewall struct {
+	Id           string `json:"id"`
+	Name         string `json:"name"`
+	Description  string `json:"description"`
+	AdminStateUp bool   `json:"admin_state_up"`
+	Status       string `json:"status"`
+	PolicyId     string `json:"firewall_policy_id"`
+}
+
+type commonResult struct {
+	gophercloud.Result
+}
+
+// Extract is a function that accepts a result and extracts a firewall.
+func (r commonResult) Extract() (*Firewall, error) {
+	if r.Err != nil {
+		return nil, r.Err
+	}
+
+	var res struct {
+		Firewall *Firewall `json:"firewall"`
+	}
+
+	err := mapstructure.Decode(r.Body, &res)
+
+	return res.Firewall, err
+}
+
+// FirewallPage is the page returned by a pager when traversing over a
+// collection of firewalls.
+type FirewallPage struct {
+	pagination.LinkedPageBase
+}
+
+// NextPageURL is invoked when a paginated collection of firewalls has reached
+// the end of a page and the pager seeks to traverse over a new one. In order
+// to do this, it needs to construct the next page's URL.
+func (p FirewallPage) NextPageURL() (string, error) {
+	type resp struct {
+		Links []gophercloud.Link `mapstructure:"firewalls_links"`
+	}
+
+	var r resp
+	err := mapstructure.Decode(p.Body, &r)
+	if err != nil {
+		return "", err
+	}
+
+	return gophercloud.ExtractNextURL(r.Links)
+}
+
+// IsEmpty checks whether a FirewallPage struct is empty.
+func (p FirewallPage) IsEmpty() (bool, error) {
+	is, err := ExtractFirewalls(p)
+	if err != nil {
+		return true, nil
+	}
+	return len(is) == 0, nil
+}
+
+// ExtractFirewalls accepts a Page struct, specifically a RouterPage struct,
+// and extracts the elements into a slice of Router structs. In other words,
+// a generic collection is mapped into a relevant slice.
+func ExtractFirewalls(page pagination.Page) ([]Firewall, error) {
+	var resp struct {
+		Firewalls []Firewall `mapstructure:"firewalls" json:"firewalls"`
+	}
+
+	err := mapstructure.Decode(page.(FirewallPage).Body, &resp)
+
+	return resp.Firewalls, err
+}
+
+// GetResult represents the result of a get operation.
+type GetResult struct {
+	commonResult
+}
+
+// UpdateResult represents the result of an update operation.
+type UpdateResult struct {
+	commonResult
+}
+
+// DeleteResult represents the result of a delete operation.
+type DeleteResult struct {
+	gophercloud.ErrResult
+}
+
+// CreateResult represents the result of a create operation.
+type CreateResult struct {
+	commonResult
+}
diff --git a/openstack/networking/v2/extensions/fwaas/firewalls/urls.go b/openstack/networking/v2/extensions/fwaas/firewalls/urls.go
new file mode 100644
index 0000000..4dde530
--- /dev/null
+++ b/openstack/networking/v2/extensions/fwaas/firewalls/urls.go
@@ -0,0 +1,16 @@
+package firewalls
+
+import "github.com/rackspace/gophercloud"
+
+const (
+	rootPath     = "fw"
+	resourcePath = "firewalls"
+)
+
+func rootURL(c *gophercloud.ServiceClient) string {
+	return c.ServiceURL(rootPath, resourcePath)
+}
+
+func resourceURL(c *gophercloud.ServiceClient, id string) string {
+	return c.ServiceURL(rootPath, resourcePath, id)
+}